diff --git a/.eslintignore b/.eslintignore
index a061388bee..6a33609668 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,2 +1,5 @@
 atri
 dist
+
+/packages/*/*.js
+/packages/*/*.d.ts
diff --git a/.gitignore b/.gitignore
index d61e28d396..fb10b10fc3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,9 @@
 dist
 temp
 
+/packages/*/*.js
+/packages/*/*.d.ts
+
 /addons
 /atri
 /coverage
diff --git a/package.json b/package.json
index c05f24c129..a183109cae 100644
--- a/package.json
+++ b/package.json
@@ -35,14 +35,14 @@
   "version": "1.0.0",
   "license": "MIT",
   "devDependencies": {
-    "@octokit/rest": "^18.0.7",
+    "@octokit/rest": "^18.0.9",
     "@sinonjs/fake-timers": "^6.0.1",
     "@types/chai": "^4.2.14",
     "@types/chai-as-promised": "^7.1.3",
     "@types/cross-spawn": "^6.0.2",
-    "@types/fs-extra": "^9.0.2",
-    "@types/mocha": "^8.0.3",
-    "@types/node": "^14.14.6",
+    "@types/fs-extra": "^9.0.4",
+    "@types/mocha": "^8.0.4",
+    "@types/node": "^14.14.7",
     "@types/semver": "^7.3.4",
     "@types/sinonjs__fake-timers": "^6.0.2",
     "@typescript-eslint/eslint-plugin": "^3.10.1",
@@ -54,21 +54,21 @@
     "cross-env": "^7.0.2",
     "cross-spawn": "^7.0.3",
     "del": "^6.0.0",
-    "eslint": "^7.12.1",
+    "eslint": "^7.13.0",
     "eslint-config-standard": "^16.0.1",
     "eslint-import-resolver-typescript": "^2.3.0",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-mocha": "^8.0.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1",
-    "eslint-plugin-standard": "^4.0.2",
+    "eslint-plugin-standard": "^4.1.0",
     "fs-extra": "^9.0.1",
     "globby": "^11.0.1",
-    "jest-mock": "^26.6.1",
+    "jest-mock": "^26.6.2",
     "kleur": "^4.1.3",
     "latest-version": "^5.1.0",
-    "mocha": "^8.2.0",
-    "nock": "^13.0.4",
+    "mocha": "^8.2.1",
+    "nock": "^13.0.5",
     "open": "^7.3.0",
     "ora": "^5.1.0",
     "p-map": "^4.0.0",
diff --git a/packages/adapter-cqhttp/package.json b/packages/adapter-cqhttp/package.json
index 9485e28063..4cea3c3112 100644
--- a/packages/adapter-cqhttp/package.json
+++ b/packages/adapter-cqhttp/package.json
@@ -31,18 +31,18 @@
     "koishi"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1"
+    "koishi-core": "^2.4.2"
   },
   "devDependencies": {
     "@types/ms": "^0.7.31",
-    "@types/ws": "^7.2.9",
+    "@types/ws": "^7.4.0",
     "get-port": "^5.1.1",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "axios": "^0.21.0",
     "ms": "^2.1.2",
-    "ws": "^7.3.1",
+    "ws": "^7.4.0",
     "koishi-utils": "^3.1.5"
   }
 }
diff --git a/packages/adapter-tomon/package.json b/packages/adapter-tomon/package.json
index 0e0a2494e7..bfbbafc810 100644
--- a/packages/adapter-tomon/package.json
+++ b/packages/adapter-tomon/package.json
@@ -29,10 +29,10 @@
     "koishi"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1"
+    "koishi-core": "^2.4.2"
   },
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "koishi-utils": "^3.1.5",
diff --git a/packages/koishi-core/package.json b/packages/koishi-core/package.json
index 6f40e56757..6eddf31b6a 100644
--- a/packages/koishi-core/package.json
+++ b/packages/koishi-core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-core",
   "description": "Core features for Koishi",
-  "version": "2.4.1",
+  "version": "2.4.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "engines": {
@@ -36,7 +36,7 @@
   "devDependencies": {
     "@types/koa": "^2.11.6",
     "@types/lru-cache": "^5.1.0",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "@types/koa-bodyparser": "^4.3.0",
@@ -44,7 +44,7 @@
     "fastest-levenshtein": "^1.0.12",
     "koa": "^2.13.0",
     "koa-bodyparser": "^4.3.0",
-    "koa-router": "^9.4.0",
+    "koa-router": "^10.0.0",
     "koishi-utils": "^3.1.5",
     "lru-cache": "^6.0.0"
   }
diff --git a/packages/koishi-test-utils/package.json b/packages/koishi-test-utils/package.json
index 76a9c7704a..3047ade6a0 100644
--- a/packages/koishi-test-utils/package.json
+++ b/packages/koishi-test-utils/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-test-utils",
   "description": "Test utilities for Koishi",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "engines": {
@@ -9,6 +9,7 @@
   },
   "files": [
     "dist",
+    "chai/dist",
     "chai/index.d.ts",
     "chai/package.json"
   ],
@@ -40,7 +41,7 @@
   "dependencies": {
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
diff --git a/packages/koishi-utils/package.json b/packages/koishi-utils/package.json
index fafa8b93c4..d256862591 100644
--- a/packages/koishi-utils/package.json
+++ b/packages/koishi-utils/package.json
@@ -33,7 +33,7 @@
   ],
   "devDependencies": {
     "@types/supports-color": "^7.2.0",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "supports-color": "^7.2.0"
diff --git a/packages/koishi-utils/src/string.ts b/packages/koishi-utils/src/string.ts
index b6869ca759..3b8f4a74b2 100644
--- a/packages/koishi-utils/src/string.ts
+++ b/packages/koishi-utils/src/string.ts
@@ -29,6 +29,15 @@ export function capitalize(source: string) {
   return source.charAt(0).toUpperCase() + source.slice(1)
 }
 
+// eslint-disable-next-line no-new-func
+export const interpolate = new Function('template', 'context', `
+with (context) {
+  return template.replace(/\\{\\{[\\s\\S]+?\\}\\}/g, (sub) => {
+    const expr = sub.substring(2, sub.length - 2)
+    return eval(expr)
+  })
+}`)
+
 export function escapeRegExp(source: string) {
   return source
     .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
diff --git a/packages/koishi-utils/tests/string.spec.ts b/packages/koishi-utils/tests/string.spec.ts
index eb01c24b8d..4877e83d01 100644
--- a/packages/koishi-utils/tests/string.spec.ts
+++ b/packages/koishi-utils/tests/string.spec.ts
@@ -1,4 +1,4 @@
-import { capitalize, camelCase, paramCase, snakeCase, simplify, traditionalize, escapeRegExp } from 'koishi-utils'
+import { capitalize, camelCase, paramCase, snakeCase, simplify, traditionalize, interpolate, escapeRegExp } from 'koishi-utils'
 import { expect } from 'chai'
 
 describe('String Manipulations', () => {
@@ -29,6 +29,10 @@ describe('String Manipulations', () => {
     expect(snakeCase({ 'a-b': [{ cD: 'e-f' }] })).to.deep.equal({ a_b: [{ c_d: 'e-f' }] })
   })
 
+  it('interpolate', () => {
+    expect(interpolate('foo{{ bar }}foo', { bar: 'baz' })).to.equal('foobazfoo')
+  })
+
   it('escape regexp', () => {
     expect(escapeRegExp('\\^$*+?.()|{}[]-')).to.equal('\\\\\\^\\$\\*\\+\\?\\.\\(\\)\\|\\{\\}\\[\\]\\x2d')
   })
diff --git a/packages/koishi/ecosystem.json b/packages/koishi/ecosystem.json
index cb61ce7d6a..db05719eed 100644
--- a/packages/koishi/ecosystem.json
+++ b/packages/koishi/ecosystem.json
@@ -8,7 +8,7 @@
     "description": "Tomon adapter for Koishi"
   },
   "koishi-plugin-chess": {
-    "version": "2.0.0-beta.13",
+    "version": "2.0.0",
     "description": "Chess Plugin for Koishi"
   },
   "koishi-plugin-common": {
@@ -28,11 +28,11 @@
     "description": "Execute JavaScript in Koishi"
   },
   "koishi-plugin-github": {
-    "version": "2.2.1",
+    "version": "2.2.2",
     "description": "GitHub webhook plugin for Koishi"
   },
   "koishi-plugin-image-search": {
-    "version": "2.0.1",
+    "version": "2.0.2",
     "description": "Image searching plugin for Koishi"
   },
   "koishi-plugin-mongo": {
@@ -43,7 +43,7 @@
     "version": "1.0.0-beta.16"
   },
   "koishi-plugin-mysql": {
-    "version": "2.0.2",
+    "version": "2.1.0",
     "description": "MySQL support for Koishi"
   },
   "koishi-plugin-puppeteer": {
@@ -59,11 +59,11 @@
     "description": "Schedule plugin for Koishi"
   },
   "koishi-plugin-status": {
-    "version": "2.0.0-beta.17",
+    "version": "2.0.0",
     "description": "Show Status of Koishi"
   },
   "koishi-plugin-teach": {
-    "version": "1.2.1",
+    "version": "1.2.2",
     "description": "Teach plugin for Koishi"
   },
   "koishi-plugin-tools": {
diff --git a/packages/koishi/package.json b/packages/koishi/package.json
index 49aa8a38e0..79627b3aef 100644
--- a/packages/koishi/package.json
+++ b/packages/koishi/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi",
   "description": "A QQ bot framework based on CQHTTP",
-  "version": "2.4.1",
+  "version": "2.4.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "engines": {
@@ -40,7 +40,7 @@
   "dependencies": {
     "cac": "^6.6.1",
     "kleur": "^4.1.3",
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-plugin-common": "^3.0.3",
     "prompts": "^2.4.0"
   }
diff --git a/packages/koishi/src/worker.ts b/packages/koishi/src/worker.ts
index 05699bfdd4..1469474425 100644
--- a/packages/koishi/src/worker.ts
+++ b/packages/koishi/src/worker.ts
@@ -106,6 +106,12 @@ process.on('message', (data: Message) => {
   }
 })
 
+// load adapter
+try {
+  const [name] = config.type.split('.', 1)
+  loadEcosystem('adapter', name)
+} catch {}
+
 const app = new App(config)
 
 app.command('exit', '停止机器人运行', { authority: 4 })
@@ -123,12 +129,6 @@ app.command('exit', '停止机器人运行', { authority: 4 })
     process.exit(514)
   })
 
-// load adapter
-try {
-  const [name] = config.type.split('.', 1)
-  loadEcosystem('adapter', name)
-} catch {}
-
 // load plugins
 if (Array.isArray(config.plugins)) {
   for (const item of config.plugins) {
diff --git a/packages/plugin-chess/package.json b/packages/plugin-chess/package.json
index 6716befc0a..5fdd6c4aa3 100644
--- a/packages/plugin-chess/package.json
+++ b/packages/plugin-chess/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-chess",
   "description": "Chess Plugin for Koishi",
-  "version": "2.0.0-beta.13",
+  "version": "2.0.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "files": [
@@ -33,7 +33,7 @@
     "game"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-plugin-puppeteer": "^1.0.1",
     "koishi-utils": "^3.1.5"
   }
diff --git a/packages/plugin-chess/src/index.ts b/packages/plugin-chess/src/index.ts
index c9b6af7d01..28320051b4 100644
--- a/packages/plugin-chess/src/index.ts
+++ b/packages/plugin-chess/src/index.ts
@@ -157,11 +157,7 @@ export function apply(ctx: Context) {
         return '请输入由字母+数字构成的坐标。'
       }
 
-      if (!state.p2) {
-        if (session.userId === state.p1) return '当前不是你的回合。'
-      } else {
-        if (session.userId !== state.next) return '当前不是你的回合。'
-      }
+      if (state.p2 && session.userId !== state.next) return '当前不是你的回合。'
 
       const [x, y] = isLetterFirst ? [
         position.charCodeAt(0) % 32 - 1,
@@ -178,14 +174,14 @@ export function apply(ctx: Context) {
       if (state.get(x, y)) return '此处已有落子。'
 
       let message = ''
-      if (!state.p2) {
+      if (!state.p2 && session.userId !== state.p1) {
         state.p2 = session.userId
         message = `${session.$username} 加入了游戏并落子于 ${position.toUpperCase()}，`
       } else {
         message = `${session.$username} 落子于 ${position.toUpperCase()}，`
       }
 
-      const value = session.userId === state.p1 ? -1 : 1
+      const value = state.history.length % 2 ? -1 : 1
       const result = state.update(x, y, value)
 
       switch (result) {
diff --git a/packages/plugin-common/package.json b/packages/plugin-common/package.json
index 7afa583524..1cabfbd658 100644
--- a/packages/plugin-common/package.json
+++ b/packages/plugin-common/package.json
@@ -31,10 +31,10 @@
     "plugin"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   }
 }
diff --git a/packages/plugin-dice/package.json b/packages/plugin-dice/package.json
index 6734c057b8..bd7c513614 100644
--- a/packages/plugin-dice/package.json
+++ b/packages/plugin-dice/package.json
@@ -35,10 +35,10 @@
     "dice"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   }
 }
diff --git a/packages/plugin-eval-addons/package.json b/packages/plugin-eval-addons/package.json
index 069439d01a..6a75b96ca9 100644
--- a/packages/plugin-eval-addons/package.json
+++ b/packages/plugin-eval-addons/package.json
@@ -36,14 +36,14 @@
     "code"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-plugin-eval": "^2.0.3",
     "koishi-utils": "^3.1.5"
   },
   "dependencies": {
     "js-yaml": "^3.14.0",
     "json5": "^2.1.3",
-    "simple-git": "^2.21.0",
+    "simple-git": "^2.22.0",
     "typescript": "^4.0.5"
   },
   "devDependencies": {
diff --git a/packages/plugin-eval/package.json b/packages/plugin-eval/package.json
index 1b55a4640f..ce6562b70d 100644
--- a/packages/plugin-eval/package.json
+++ b/packages/plugin-eval/package.json
@@ -37,10 +37,10 @@
     "code"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   }
 }
diff --git a/packages/plugin-github/package.json b/packages/plugin-github/package.json
index be8cb3ab85..79b79826c1 100644
--- a/packages/plugin-github/package.json
+++ b/packages/plugin-github/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-github",
   "description": "GitHub webhook plugin for Koishi",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "files": [
@@ -33,10 +33,10 @@
     "webhook"
   ],
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-plugin-puppeteer": "^1.0.1",
     "koishi-utils": "^3.1.5"
   },
diff --git a/packages/plugin-github/src/events.ts b/packages/plugin-github/src/events.ts
index f946ee1e17..76f66e6945 100644
--- a/packages/plugin-github/src/events.ts
+++ b/packages/plugin-github/src/events.ts
@@ -39,6 +39,13 @@ export interface EventConfig {
     unlocked?: boolean
     unpinned?: boolean
   }
+  milestone?: boolean | {
+    closed?: boolean
+    created?: boolean
+    deleted?: boolean
+    edited?: boolean
+    opened?: boolean
+  }
   pullRequest?: boolean | {
     assigned?: boolean
     closed?: boolean
@@ -80,6 +87,9 @@ export const defaultEvents: EventConfig = {
     closed: true,
     opened: true,
   },
+  milestone: {
+    created: true,
+  },
   pullRequest: {
     closed: true,
     opened: true,
@@ -216,6 +226,12 @@ export function addListeners(on: <T extends WebhookEvent>(event: T, handler: Eve
     }]
   })
 
+  on('milestone.created', ({ repository, milestone, sender }) => {
+    const { full_name } = repository
+    const { title, description } = milestone
+    return [`${sender.login} created milestone ${title} for ${full_name}\n${description}`]
+  })
+
   on('pull_request_review.submitted', ({ repository, review, pull_request }) => {
     if (!review.body) return
     const { full_name } = repository
diff --git a/packages/plugin-github/tests/fixtures/issues.milestoned.json b/packages/plugin-github/tests/fixtures/issues.milestoned.json
new file mode 100644
index 0000000000..3ba8f03720
--- /dev/null
+++ b/packages/plugin-github/tests/fixtures/issues.milestoned.json
@@ -0,0 +1,286 @@
+{
+  "action": "milestoned",
+  "issue": {
+    "url": "https://api.github.com/repos/koishijs/koishi/issues/121",
+    "repository_url": "https://api.github.com/repos/koishijs/koishi",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/issues/121/labels{/name}",
+    "comments_url": "https://api.github.com/repos/koishijs/koishi/issues/121/comments",
+    "events_url": "https://api.github.com/repos/koishijs/koishi/issues/121/events",
+    "html_url": "https://github.com/koishijs/koishi/issues/121",
+    "id": 730092466,
+    "node_id": "MDU6SXNzdWU3MzAwOTI0NjY=",
+    "number": 121,
+    "title": "feature: validator api based on template literal types",
+    "user": {
+      "login": "undefined-moe",
+      "id": 29992205,
+      "node_id": "MDQ6VXNlcjI5OTkyMjA1",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/29992205?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/undefined-moe",
+      "html_url": "https://github.com/undefined-moe",
+      "followers_url": "https://api.github.com/users/undefined-moe/followers",
+      "following_url": "https://api.github.com/users/undefined-moe/following{/other_user}",
+      "gists_url": "https://api.github.com/users/undefined-moe/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/undefined-moe/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/undefined-moe/subscriptions",
+      "organizations_url": "https://api.github.com/users/undefined-moe/orgs",
+      "repos_url": "https://api.github.com/users/undefined-moe/repos",
+      "events_url": "https://api.github.com/users/undefined-moe/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/undefined-moe/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "labels": [
+      {
+        "id": 1729355915,
+        "node_id": "MDU6TGFiZWwxNzI5MzU1OTE1",
+        "url": "https://api.github.com/repos/koishijs/koishi/labels/core",
+        "name": "core",
+        "color": "801fc1",
+        "default": false,
+        "description": "Related to koishi-core / koishi-utils"
+      },
+      {
+        "id": 1711721898,
+        "node_id": "MDU6TGFiZWwxNzExNzIxODk4",
+        "url": "https://api.github.com/repos/koishijs/koishi/labels/feature",
+        "name": "feature",
+        "color": "0052cc",
+        "default": false,
+        "description": "New feature or request"
+      },
+      {
+        "id": 1781343121,
+        "node_id": "MDU6TGFiZWwxNzgxMzQzMTIx",
+        "url": "https://api.github.com/repos/koishijs/koishi/labels/next",
+        "name": "next",
+        "color": "04d2f2",
+        "default": false,
+        "description": "Features for the next major version"
+      }
+    ],
+    "state": "open",
+    "locked": false,
+    "assignee": null,
+    "assignees": [
+
+    ],
+    "milestone": {
+      "url": "https://api.github.com/repos/koishijs/koishi/milestones/3",
+      "html_url": "https://github.com/koishijs/koishi/milestone/3",
+      "labels_url": "https://api.github.com/repos/koishijs/koishi/milestones/3/labels",
+      "id": 6037479,
+      "node_id": "MDk6TWlsZXN0b25lNjAzNzQ3OQ==",
+      "number": 3,
+      "title": "3.0",
+      "description": "",
+      "creator": {
+        "login": "Shigma",
+        "id": 33423008,
+        "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+        "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+        "gravatar_id": "",
+        "url": "https://api.github.com/users/Shigma",
+        "html_url": "https://github.com/Shigma",
+        "followers_url": "https://api.github.com/users/Shigma/followers",
+        "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+        "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+        "organizations_url": "https://api.github.com/users/Shigma/orgs",
+        "repos_url": "https://api.github.com/users/Shigma/repos",
+        "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/Shigma/received_events",
+        "type": "User",
+        "site_admin": false
+      },
+      "open_issues": 1,
+      "closed_issues": 0,
+      "state": "open",
+      "created_at": "2020-10-27T11:55:28Z",
+      "updated_at": "2020-10-27T12:02:20Z",
+      "due_on": null,
+      "closed_at": null
+    },
+    "comments": 1,
+    "created_at": "2020-10-27T04:22:26Z",
+    "updated_at": "2020-10-27T12:02:20Z",
+    "closed_at": null,
+    "author_association": "MEMBER",
+    "active_lock_reason": null,
+    "body": "类似如下设计：\r\n\r\n```ts\r\nctx.validator.create<number>('positiveInt', val => {\r\n    if (Number.isSafeInteger(val) && val > 0) return +val\r\n    // return undefined means validation fail\r\n})\r\n```\r\n\r\nts4.0支持了对字符串进行处理提取出类型字串，可实现\r\n\r\n```ts\r\nctx.command('foo <bar:string> <baz:int> <extra:positiveInt>')\r\n  .action(async ({ session }, bar, baz, extra) => {\r\n    // typeof bar -> string\r\n    // typeof baz -> number\r\n  })\r\n```",
+    "performed_via_github_app": null
+  },
+  "milestone": {
+    "url": "https://api.github.com/repos/koishijs/koishi/milestones/3",
+    "html_url": "https://github.com/koishijs/koishi/milestone/3",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/milestones/3/labels",
+    "id": 6037479,
+    "node_id": "MDk6TWlsZXN0b25lNjAzNzQ3OQ==",
+    "number": 3,
+    "title": "3.0",
+    "description": "",
+    "creator": {
+      "login": "Shigma",
+      "id": 33423008,
+      "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/Shigma",
+      "html_url": "https://github.com/Shigma",
+      "followers_url": "https://api.github.com/users/Shigma/followers",
+      "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+      "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+      "organizations_url": "https://api.github.com/users/Shigma/orgs",
+      "repos_url": "https://api.github.com/users/Shigma/repos",
+      "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/Shigma/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "open_issues": 1,
+    "closed_issues": 0,
+    "state": "open",
+    "created_at": "2020-10-27T11:55:28Z",
+    "updated_at": "2020-10-27T12:02:20Z",
+    "due_on": null,
+    "closed_at": null
+  },
+  "repository": {
+    "id": 225572038,
+    "node_id": "MDEwOlJlcG9zaXRvcnkyMjU1NzIwMzg=",
+    "name": "koishi",
+    "full_name": "koishijs/koishi",
+    "private": false,
+    "owner": {
+      "login": "koishijs",
+      "id": 58179220,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/koishijs",
+      "html_url": "https://github.com/koishijs",
+      "followers_url": "https://api.github.com/users/koishijs/followers",
+      "following_url": "https://api.github.com/users/koishijs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/koishijs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/koishijs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/koishijs/subscriptions",
+      "organizations_url": "https://api.github.com/users/koishijs/orgs",
+      "repos_url": "https://api.github.com/users/koishijs/repos",
+      "events_url": "https://api.github.com/users/koishijs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/koishijs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/koishijs/koishi",
+    "description": "QQ bot out of the box",
+    "fork": false,
+    "url": "https://api.github.com/repos/koishijs/koishi",
+    "forks_url": "https://api.github.com/repos/koishijs/koishi/forks",
+    "keys_url": "https://api.github.com/repos/koishijs/koishi/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/koishijs/koishi/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/koishijs/koishi/teams",
+    "hooks_url": "https://api.github.com/repos/koishijs/koishi/hooks",
+    "issue_events_url": "https://api.github.com/repos/koishijs/koishi/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/koishijs/koishi/events",
+    "assignees_url": "https://api.github.com/repos/koishijs/koishi/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/koishijs/koishi/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/koishijs/koishi/tags",
+    "blobs_url": "https://api.github.com/repos/koishijs/koishi/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/koishijs/koishi/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/koishijs/koishi/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/koishijs/koishi/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/koishijs/koishi/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/koishijs/koishi/languages",
+    "stargazers_url": "https://api.github.com/repos/koishijs/koishi/stargazers",
+    "contributors_url": "https://api.github.com/repos/koishijs/koishi/contributors",
+    "subscribers_url": "https://api.github.com/repos/koishijs/koishi/subscribers",
+    "subscription_url": "https://api.github.com/repos/koishijs/koishi/subscription",
+    "commits_url": "https://api.github.com/repos/koishijs/koishi/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/koishijs/koishi/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/koishijs/koishi/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/koishijs/koishi/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/koishijs/koishi/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/koishijs/koishi/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/koishijs/koishi/merges",
+    "archive_url": "https://api.github.com/repos/koishijs/koishi/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/koishijs/koishi/downloads",
+    "issues_url": "https://api.github.com/repos/koishijs/koishi/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/koishijs/koishi/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/koishijs/koishi/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/koishijs/koishi/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/labels{/name}",
+    "releases_url": "https://api.github.com/repos/koishijs/koishi/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/koishijs/koishi/deployments",
+    "created_at": "2019-12-03T08:47:29Z",
+    "updated_at": "2020-10-26T18:34:05Z",
+    "pushed_at": "2020-10-27T11:03:36Z",
+    "git_url": "git://github.com/koishijs/koishi.git",
+    "ssh_url": "git@github.com:koishijs/koishi.git",
+    "clone_url": "https://github.com/koishijs/koishi.git",
+    "svn_url": "https://github.com/koishijs/koishi",
+    "homepage": "https://koishi.js.org",
+    "size": 2938,
+    "stargazers_count": 217,
+    "watchers_count": 217,
+    "language": "TypeScript",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": false,
+    "has_pages": false,
+    "forks_count": 16,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 7,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "forks": 16,
+    "open_issues": 7,
+    "watchers": 217,
+    "default_branch": "master"
+  },
+  "organization": {
+    "login": "koishijs",
+    "id": 58179220,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+    "url": "https://api.github.com/orgs/koishijs",
+    "repos_url": "https://api.github.com/orgs/koishijs/repos",
+    "events_url": "https://api.github.com/orgs/koishijs/events",
+    "hooks_url": "https://api.github.com/orgs/koishijs/hooks",
+    "issues_url": "https://api.github.com/orgs/koishijs/issues",
+    "members_url": "https://api.github.com/orgs/koishijs/members{/member}",
+    "public_members_url": "https://api.github.com/orgs/koishijs/public_members{/member}",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+    "description": ""
+  },
+  "sender": {
+    "login": "Shigma",
+    "id": 33423008,
+    "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/Shigma",
+    "html_url": "https://github.com/Shigma",
+    "followers_url": "https://api.github.com/users/Shigma/followers",
+    "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+    "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+    "organizations_url": "https://api.github.com/users/Shigma/orgs",
+    "repos_url": "https://api.github.com/users/Shigma/repos",
+    "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/Shigma/received_events",
+    "type": "User",
+    "site_admin": false
+  }
+}
\ No newline at end of file
diff --git a/packages/plugin-github/tests/fixtures/milestone.closed.json b/packages/plugin-github/tests/fixtures/milestone.closed.json
new file mode 100644
index 0000000000..958a1db124
--- /dev/null
+++ b/packages/plugin-github/tests/fixtures/milestone.closed.json
@@ -0,0 +1,174 @@
+{
+  "action": "closed",
+  "milestone": {
+    "url": "https://api.github.com/repos/koishijs/koishi/milestones/1",
+    "html_url": "https://github.com/koishijs/koishi/milestone/1",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/milestones/1/labels",
+    "id": 4996425,
+    "node_id": "MDk6TWlsZXN0b25lNDk5NjQyNQ==",
+    "number": 1,
+    "title": "1.3",
+    "description": null,
+    "creator": {
+      "login": "Shigma",
+      "id": 33423008,
+      "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/Shigma",
+      "html_url": "https://github.com/Shigma",
+      "followers_url": "https://api.github.com/users/Shigma/followers",
+      "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+      "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+      "organizations_url": "https://api.github.com/users/Shigma/orgs",
+      "repos_url": "https://api.github.com/users/Shigma/repos",
+      "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/Shigma/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "open_issues": 0,
+    "closed_issues": 1,
+    "state": "closed",
+    "created_at": "2020-01-11T15:08:33Z",
+    "updated_at": "2020-10-27T11:51:11Z",
+    "due_on": null,
+    "closed_at": "2020-10-27T11:51:11Z"
+  },
+  "repository": {
+    "id": 225572038,
+    "node_id": "MDEwOlJlcG9zaXRvcnkyMjU1NzIwMzg=",
+    "name": "koishi",
+    "full_name": "koishijs/koishi",
+    "private": false,
+    "owner": {
+      "login": "koishijs",
+      "id": 58179220,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/koishijs",
+      "html_url": "https://github.com/koishijs",
+      "followers_url": "https://api.github.com/users/koishijs/followers",
+      "following_url": "https://api.github.com/users/koishijs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/koishijs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/koishijs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/koishijs/subscriptions",
+      "organizations_url": "https://api.github.com/users/koishijs/orgs",
+      "repos_url": "https://api.github.com/users/koishijs/repos",
+      "events_url": "https://api.github.com/users/koishijs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/koishijs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/koishijs/koishi",
+    "description": "QQ bot out of the box",
+    "fork": false,
+    "url": "https://api.github.com/repos/koishijs/koishi",
+    "forks_url": "https://api.github.com/repos/koishijs/koishi/forks",
+    "keys_url": "https://api.github.com/repos/koishijs/koishi/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/koishijs/koishi/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/koishijs/koishi/teams",
+    "hooks_url": "https://api.github.com/repos/koishijs/koishi/hooks",
+    "issue_events_url": "https://api.github.com/repos/koishijs/koishi/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/koishijs/koishi/events",
+    "assignees_url": "https://api.github.com/repos/koishijs/koishi/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/koishijs/koishi/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/koishijs/koishi/tags",
+    "blobs_url": "https://api.github.com/repos/koishijs/koishi/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/koishijs/koishi/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/koishijs/koishi/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/koishijs/koishi/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/koishijs/koishi/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/koishijs/koishi/languages",
+    "stargazers_url": "https://api.github.com/repos/koishijs/koishi/stargazers",
+    "contributors_url": "https://api.github.com/repos/koishijs/koishi/contributors",
+    "subscribers_url": "https://api.github.com/repos/koishijs/koishi/subscribers",
+    "subscription_url": "https://api.github.com/repos/koishijs/koishi/subscription",
+    "commits_url": "https://api.github.com/repos/koishijs/koishi/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/koishijs/koishi/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/koishijs/koishi/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/koishijs/koishi/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/koishijs/koishi/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/koishijs/koishi/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/koishijs/koishi/merges",
+    "archive_url": "https://api.github.com/repos/koishijs/koishi/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/koishijs/koishi/downloads",
+    "issues_url": "https://api.github.com/repos/koishijs/koishi/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/koishijs/koishi/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/koishijs/koishi/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/koishijs/koishi/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/labels{/name}",
+    "releases_url": "https://api.github.com/repos/koishijs/koishi/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/koishijs/koishi/deployments",
+    "created_at": "2019-12-03T08:47:29Z",
+    "updated_at": "2020-10-26T18:34:05Z",
+    "pushed_at": "2020-10-27T11:03:36Z",
+    "git_url": "git://github.com/koishijs/koishi.git",
+    "ssh_url": "git@github.com:koishijs/koishi.git",
+    "clone_url": "https://github.com/koishijs/koishi.git",
+    "svn_url": "https://github.com/koishijs/koishi",
+    "homepage": "https://koishi.js.org",
+    "size": 2938,
+    "stargazers_count": 217,
+    "watchers_count": 217,
+    "language": "TypeScript",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": false,
+    "has_pages": false,
+    "forks_count": 16,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 7,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "forks": 16,
+    "open_issues": 7,
+    "watchers": 217,
+    "default_branch": "master"
+  },
+  "organization": {
+    "login": "koishijs",
+    "id": 58179220,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+    "url": "https://api.github.com/orgs/koishijs",
+    "repos_url": "https://api.github.com/orgs/koishijs/repos",
+    "events_url": "https://api.github.com/orgs/koishijs/events",
+    "hooks_url": "https://api.github.com/orgs/koishijs/hooks",
+    "issues_url": "https://api.github.com/orgs/koishijs/issues",
+    "members_url": "https://api.github.com/orgs/koishijs/members{/member}",
+    "public_members_url": "https://api.github.com/orgs/koishijs/public_members{/member}",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+    "description": ""
+  },
+  "sender": {
+    "login": "Shigma",
+    "id": 33423008,
+    "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/Shigma",
+    "html_url": "https://github.com/Shigma",
+    "followers_url": "https://api.github.com/users/Shigma/followers",
+    "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+    "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+    "organizations_url": "https://api.github.com/users/Shigma/orgs",
+    "repos_url": "https://api.github.com/users/Shigma/repos",
+    "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/Shigma/received_events",
+    "type": "User",
+    "site_admin": false
+  }
+}
\ No newline at end of file
diff --git a/packages/plugin-github/tests/fixtures/milestone.created.json b/packages/plugin-github/tests/fixtures/milestone.created.json
new file mode 100644
index 0000000000..59a231a542
--- /dev/null
+++ b/packages/plugin-github/tests/fixtures/milestone.created.json
@@ -0,0 +1,174 @@
+{
+  "action": "created",
+  "milestone": {
+    "url": "https://api.github.com/repos/koishijs/koishi/milestones/3",
+    "html_url": "https://github.com/koishijs/koishi/milestone/3",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/milestones/3/labels",
+    "id": 6037479,
+    "node_id": "MDk6TWlsZXN0b25lNjAzNzQ3OQ==",
+    "number": 3,
+    "title": "3.0",
+    "description": "koishi v3",
+    "creator": {
+      "login": "Shigma",
+      "id": 33423008,
+      "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/Shigma",
+      "html_url": "https://github.com/Shigma",
+      "followers_url": "https://api.github.com/users/Shigma/followers",
+      "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+      "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+      "organizations_url": "https://api.github.com/users/Shigma/orgs",
+      "repos_url": "https://api.github.com/users/Shigma/repos",
+      "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/Shigma/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "open_issues": 0,
+    "closed_issues": 0,
+    "state": "open",
+    "created_at": "2020-10-27T11:55:28Z",
+    "updated_at": "2020-10-27T11:55:28Z",
+    "due_on": null,
+    "closed_at": null
+  },
+  "repository": {
+    "id": 225572038,
+    "node_id": "MDEwOlJlcG9zaXRvcnkyMjU1NzIwMzg=",
+    "name": "koishi",
+    "full_name": "koishijs/koishi",
+    "private": false,
+    "owner": {
+      "login": "koishijs",
+      "id": 58179220,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/koishijs",
+      "html_url": "https://github.com/koishijs",
+      "followers_url": "https://api.github.com/users/koishijs/followers",
+      "following_url": "https://api.github.com/users/koishijs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/koishijs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/koishijs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/koishijs/subscriptions",
+      "organizations_url": "https://api.github.com/users/koishijs/orgs",
+      "repos_url": "https://api.github.com/users/koishijs/repos",
+      "events_url": "https://api.github.com/users/koishijs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/koishijs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/koishijs/koishi",
+    "description": "QQ bot out of the box",
+    "fork": false,
+    "url": "https://api.github.com/repos/koishijs/koishi",
+    "forks_url": "https://api.github.com/repos/koishijs/koishi/forks",
+    "keys_url": "https://api.github.com/repos/koishijs/koishi/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/koishijs/koishi/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/koishijs/koishi/teams",
+    "hooks_url": "https://api.github.com/repos/koishijs/koishi/hooks",
+    "issue_events_url": "https://api.github.com/repos/koishijs/koishi/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/koishijs/koishi/events",
+    "assignees_url": "https://api.github.com/repos/koishijs/koishi/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/koishijs/koishi/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/koishijs/koishi/tags",
+    "blobs_url": "https://api.github.com/repos/koishijs/koishi/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/koishijs/koishi/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/koishijs/koishi/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/koishijs/koishi/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/koishijs/koishi/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/koishijs/koishi/languages",
+    "stargazers_url": "https://api.github.com/repos/koishijs/koishi/stargazers",
+    "contributors_url": "https://api.github.com/repos/koishijs/koishi/contributors",
+    "subscribers_url": "https://api.github.com/repos/koishijs/koishi/subscribers",
+    "subscription_url": "https://api.github.com/repos/koishijs/koishi/subscription",
+    "commits_url": "https://api.github.com/repos/koishijs/koishi/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/koishijs/koishi/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/koishijs/koishi/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/koishijs/koishi/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/koishijs/koishi/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/koishijs/koishi/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/koishijs/koishi/merges",
+    "archive_url": "https://api.github.com/repos/koishijs/koishi/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/koishijs/koishi/downloads",
+    "issues_url": "https://api.github.com/repos/koishijs/koishi/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/koishijs/koishi/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/koishijs/koishi/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/koishijs/koishi/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/labels{/name}",
+    "releases_url": "https://api.github.com/repos/koishijs/koishi/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/koishijs/koishi/deployments",
+    "created_at": "2019-12-03T08:47:29Z",
+    "updated_at": "2020-10-26T18:34:05Z",
+    "pushed_at": "2020-10-27T11:03:36Z",
+    "git_url": "git://github.com/koishijs/koishi.git",
+    "ssh_url": "git@github.com:koishijs/koishi.git",
+    "clone_url": "https://github.com/koishijs/koishi.git",
+    "svn_url": "https://github.com/koishijs/koishi",
+    "homepage": "https://koishi.js.org",
+    "size": 2938,
+    "stargazers_count": 217,
+    "watchers_count": 217,
+    "language": "TypeScript",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": false,
+    "has_pages": false,
+    "forks_count": 16,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 7,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "forks": 16,
+    "open_issues": 7,
+    "watchers": 217,
+    "default_branch": "master"
+  },
+  "organization": {
+    "login": "koishijs",
+    "id": 58179220,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+    "url": "https://api.github.com/orgs/koishijs",
+    "repos_url": "https://api.github.com/orgs/koishijs/repos",
+    "events_url": "https://api.github.com/orgs/koishijs/events",
+    "hooks_url": "https://api.github.com/orgs/koishijs/hooks",
+    "issues_url": "https://api.github.com/orgs/koishijs/issues",
+    "members_url": "https://api.github.com/orgs/koishijs/members{/member}",
+    "public_members_url": "https://api.github.com/orgs/koishijs/public_members{/member}",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+    "description": ""
+  },
+  "sender": {
+    "login": "Shigma",
+    "id": 33423008,
+    "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/Shigma",
+    "html_url": "https://github.com/Shigma",
+    "followers_url": "https://api.github.com/users/Shigma/followers",
+    "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+    "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+    "organizations_url": "https://api.github.com/users/Shigma/orgs",
+    "repos_url": "https://api.github.com/users/Shigma/repos",
+    "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/Shigma/received_events",
+    "type": "User",
+    "site_admin": false
+  }
+}
\ No newline at end of file
diff --git a/packages/plugin-github/tests/fixtures/milestone.edited.json b/packages/plugin-github/tests/fixtures/milestone.edited.json
new file mode 100644
index 0000000000..3e1de8fa89
--- /dev/null
+++ b/packages/plugin-github/tests/fixtures/milestone.edited.json
@@ -0,0 +1,179 @@
+{
+  "action": "edited",
+  "milestone": {
+    "url": "https://api.github.com/repos/koishijs/koishi/milestones/3",
+    "html_url": "https://github.com/koishijs/koishi/milestone/3",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/milestones/3/labels",
+    "id": 6037479,
+    "node_id": "MDk6TWlsZXN0b25lNjAzNzQ3OQ==",
+    "number": 3,
+    "title": "3.0",
+    "description": "koishi v3",
+    "creator": {
+      "login": "Shigma",
+      "id": 33423008,
+      "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/Shigma",
+      "html_url": "https://github.com/Shigma",
+      "followers_url": "https://api.github.com/users/Shigma/followers",
+      "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+      "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+      "organizations_url": "https://api.github.com/users/Shigma/orgs",
+      "repos_url": "https://api.github.com/users/Shigma/repos",
+      "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/Shigma/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "open_issues": 1,
+    "closed_issues": 0,
+    "state": "open",
+    "created_at": "2020-10-27T11:55:28Z",
+    "updated_at": "2020-10-27T14:42:30Z",
+    "due_on": null,
+    "closed_at": null
+  },
+  "changes": {
+    "description": {
+      "from": ""
+    }
+  },
+  "repository": {
+    "id": 225572038,
+    "node_id": "MDEwOlJlcG9zaXRvcnkyMjU1NzIwMzg=",
+    "name": "koishi",
+    "full_name": "koishijs/koishi",
+    "private": false,
+    "owner": {
+      "login": "koishijs",
+      "id": 58179220,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/koishijs",
+      "html_url": "https://github.com/koishijs",
+      "followers_url": "https://api.github.com/users/koishijs/followers",
+      "following_url": "https://api.github.com/users/koishijs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/koishijs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/koishijs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/koishijs/subscriptions",
+      "organizations_url": "https://api.github.com/users/koishijs/orgs",
+      "repos_url": "https://api.github.com/users/koishijs/repos",
+      "events_url": "https://api.github.com/users/koishijs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/koishijs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/koishijs/koishi",
+    "description": "QQ bot out of the box",
+    "fork": false,
+    "url": "https://api.github.com/repos/koishijs/koishi",
+    "forks_url": "https://api.github.com/repos/koishijs/koishi/forks",
+    "keys_url": "https://api.github.com/repos/koishijs/koishi/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/koishijs/koishi/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/koishijs/koishi/teams",
+    "hooks_url": "https://api.github.com/repos/koishijs/koishi/hooks",
+    "issue_events_url": "https://api.github.com/repos/koishijs/koishi/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/koishijs/koishi/events",
+    "assignees_url": "https://api.github.com/repos/koishijs/koishi/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/koishijs/koishi/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/koishijs/koishi/tags",
+    "blobs_url": "https://api.github.com/repos/koishijs/koishi/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/koishijs/koishi/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/koishijs/koishi/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/koishijs/koishi/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/koishijs/koishi/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/koishijs/koishi/languages",
+    "stargazers_url": "https://api.github.com/repos/koishijs/koishi/stargazers",
+    "contributors_url": "https://api.github.com/repos/koishijs/koishi/contributors",
+    "subscribers_url": "https://api.github.com/repos/koishijs/koishi/subscribers",
+    "subscription_url": "https://api.github.com/repos/koishijs/koishi/subscription",
+    "commits_url": "https://api.github.com/repos/koishijs/koishi/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/koishijs/koishi/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/koishijs/koishi/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/koishijs/koishi/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/koishijs/koishi/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/koishijs/koishi/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/koishijs/koishi/merges",
+    "archive_url": "https://api.github.com/repos/koishijs/koishi/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/koishijs/koishi/downloads",
+    "issues_url": "https://api.github.com/repos/koishijs/koishi/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/koishijs/koishi/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/koishijs/koishi/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/koishijs/koishi/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/koishijs/koishi/labels{/name}",
+    "releases_url": "https://api.github.com/repos/koishijs/koishi/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/koishijs/koishi/deployments",
+    "created_at": "2019-12-03T08:47:29Z",
+    "updated_at": "2020-10-26T18:34:05Z",
+    "pushed_at": "2020-10-27T11:03:36Z",
+    "git_url": "git://github.com/koishijs/koishi.git",
+    "ssh_url": "git@github.com:koishijs/koishi.git",
+    "clone_url": "https://github.com/koishijs/koishi.git",
+    "svn_url": "https://github.com/koishijs/koishi",
+    "homepage": "https://koishi.js.org",
+    "size": 2943,
+    "stargazers_count": 217,
+    "watchers_count": 217,
+    "language": "TypeScript",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": false,
+    "has_pages": false,
+    "forks_count": 16,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 7,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "forks": 16,
+    "open_issues": 7,
+    "watchers": 217,
+    "default_branch": "master"
+  },
+  "organization": {
+    "login": "koishijs",
+    "id": 58179220,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjU4MTc5MjIw",
+    "url": "https://api.github.com/orgs/koishijs",
+    "repos_url": "https://api.github.com/orgs/koishijs/repos",
+    "events_url": "https://api.github.com/orgs/koishijs/events",
+    "hooks_url": "https://api.github.com/orgs/koishijs/hooks",
+    "issues_url": "https://api.github.com/orgs/koishijs/issues",
+    "members_url": "https://api.github.com/orgs/koishijs/members{/member}",
+    "public_members_url": "https://api.github.com/orgs/koishijs/public_members{/member}",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/58179220?v=4",
+    "description": ""
+  },
+  "sender": {
+    "login": "Shigma",
+    "id": 33423008,
+    "node_id": "MDQ6VXNlcjMzNDIzMDA4",
+    "avatar_url": "https://avatars3.githubusercontent.com/u/33423008?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/Shigma",
+    "html_url": "https://github.com/Shigma",
+    "followers_url": "https://api.github.com/users/Shigma/followers",
+    "following_url": "https://api.github.com/users/Shigma/following{/other_user}",
+    "gists_url": "https://api.github.com/users/Shigma/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/Shigma/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/Shigma/subscriptions",
+    "organizations_url": "https://api.github.com/users/Shigma/orgs",
+    "repos_url": "https://api.github.com/users/Shigma/repos",
+    "events_url": "https://api.github.com/users/Shigma/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/Shigma/received_events",
+    "type": "User",
+    "site_admin": false
+  }
+}
\ No newline at end of file
diff --git a/packages/plugin-github/tests/index.snap.js b/packages/plugin-github/tests/index.snap.js
index 1ee20a62dd..f764950118 100644
--- a/packages/plugin-github/tests/index.snap.js
+++ b/packages/plugin-github/tests/index.snap.js
@@ -39,6 +39,10 @@ module.exports[`issues.opened`] = `
 Title: Wie kann man um das Koishi zu installieren?
 Ich verstecke Englisch und Chinesisch nicht! Gab es Personen, die mir helfen kann?`
 
+module.exports['milestone.created'] = `
+[GitHub] Shigma created milestone 3.0 for koishijs/koishi
+koishi v3`
+
 module.exports['pull_request.closed.1'] = `
 [GitHub] Shigma closed pull request koishijs/koishi#97
 Storage API, fix #96`
diff --git a/packages/plugin-image-search/package.json b/packages/plugin-image-search/package.json
index 5e8b69070c..2b061a948d 100644
--- a/packages/plugin-image-search/package.json
+++ b/packages/plugin-image-search/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-image-search",
   "description": "Image searching plugin for Koishi",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "files": [
@@ -37,7 +37,7 @@
     "pixiv"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "dependencies": {
diff --git a/packages/plugin-image-search/src/index.ts b/packages/plugin-image-search/src/index.ts
index dd920e583c..933aa5e791 100644
--- a/packages/plugin-image-search/src/index.ts
+++ b/packages/plugin-image-search/src/index.ts
@@ -1,4 +1,4 @@
-import { Context, Session, Group, CommandAction, getContextId } from 'koishi-core'
+import { Context, Session, CommandAction, getContextId } from 'koishi-core'
 import ascii2d from './ascii2d'
 import saucenao from './saucenao'
 
@@ -27,18 +27,12 @@ export const name = 'search'
 export function apply(ctx: Context, config: Config = {}) {
   const command = ctx.command('search <...images>', '搜图片')
     .alias('搜图')
-    .groupFields(['flag'])
-    .before(session => !!(session.$group.flag & Group.Flag.noImage))
     .action(search(mixedSearch))
 
   command.subcommand('saucenao <...images>', '使用 saucenao 搜图')
-    .groupFields(['flag'])
-    .before(session => !!(session.$group.flag & Group.Flag.noImage))
     .action(search(saucenao))
 
   command.subcommand('ascii2d <...images>', '使用 ascii2d 搜图')
-    .groupFields(['flag'])
-    .before(session => !!(session.$group.flag & Group.Flag.noImage))
     .action(search(ascii2d))
 
   const pending = new Set<string>()
diff --git a/packages/plugin-mongo/package.json b/packages/plugin-mongo/package.json
index 95cce8c019..44d16e2c32 100644
--- a/packages/plugin-mongo/package.json
+++ b/packages/plugin-mongo/package.json
@@ -36,12 +36,12 @@
     "mysql"
   ],
   "devDependencies": {
-    "@types/mongodb": "^3.5.32"
+    "@types/mongodb": "^3.5.33"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1"
+    "koishi-core": "^2.4.2"
   },
   "dependencies": {
-    "mongodb": "^3.6.2"
+    "mongodb": "^3.6.3"
   }
 }
diff --git a/packages/plugin-monitor/package.json b/packages/plugin-monitor/package.json
index ad5f65450d..bc2c2a10ed 100644
--- a/packages/plugin-monitor/package.json
+++ b/packages/plugin-monitor/package.json
@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/koishijs/koishi#readme",
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   }
 }
diff --git a/packages/plugin-mysql/package.json b/packages/plugin-mysql/package.json
index 2f6ff332fb..b45dc37c36 100644
--- a/packages/plugin-mysql/package.json
+++ b/packages/plugin-mysql/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-mysql",
   "description": "MySQL support for Koishi",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "files": [
@@ -36,7 +36,7 @@
     "@types/mysql": "^2.15.15"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "dependencies": {
diff --git a/packages/plugin-mysql/src/database.ts b/packages/plugin-mysql/src/database.ts
index 0fdde24cb0..f63344dbb7 100644
--- a/packages/plugin-mysql/src/database.ts
+++ b/packages/plugin-mysql/src/database.ts
@@ -49,17 +49,30 @@ export default class MysqlDatabase {
 
   async start() {
     this.pool = createPool(this.config)
-    const tables = await this.select('information_schema.tables', ['TABLE_NAME'], 'TABLE_SCHEMA = ?', [this.config.database])
-    const names = new Set(tables.map(data => data.TABLE_NAME))
-    for (const name of Object.keys(MysqlDatabase.tables) as TableType[]) {
-      if (names.has(name)) return
+    const data = await this.select('information_schema.columns', ['TABLE_NAME', 'COLUMN_NAME'], 'TABLE_SCHEMA = ?', [this.config.database])
+    const tables: Record<string, string[]> = {}
+    for (const { TABLE_NAME, COLUMN_NAME } of data) {
+      if (!tables[TABLE_NAME]) tables[TABLE_NAME] = []
+      tables[TABLE_NAME].push(COLUMN_NAME)
+    }
+
+    for (const name in MysqlDatabase.tables) {
       const table = MysqlDatabase.tables[name]
-      const cols = Object.keys(table).map((key) => {
-        if (+key * 0 === 0) return table[key]
-        return `\`${key}\` ${table[key]}`
-      })
-      logger.info('auto creating table %c', name)
-      await this.query(`CREATE TABLE ?? (${cols.join(',')}) COLLATE = ?`, [name, this.config.charset])
+      if (!tables[name]) {
+        const cols = Object.keys(table).map((key) => {
+          if (+key * 0 === 0) return table[key]
+          return `\`${key}\` ${table[key]}`
+        })
+        logger.info('auto creating table %c', name)
+        await this.query(`CREATE TABLE ?? (${cols.join(',')}) COLLATE = ?`, [name, this.config.charset])
+      } else {
+        const cols = Object.keys(table)
+          .filter(key => +key * 0 !== 0 && !tables[name].includes(key))
+          .map(key => `ADD \`${key}\` ${table[key]}`)
+        if (!cols.length) continue
+        logger.info('auto updating table %c', name)
+        await this.query(`ALTER TABLE ?? ${cols.join(',')}`, [name])
+      }
     }
   }
 
@@ -98,8 +111,8 @@ export default class MysqlDatabase {
       this.pool.query(sql, (err, results) => {
         if (!err) return resolve(results)
         logger.warn(sql)
-        error.stack = err.message + error.stack.slice(7)
-        reject(error)
+        err.stack = err.message + error.stack.slice(7)
+        reject(err)
       })
     })
   }
diff --git a/packages/plugin-puppeteer/package.json b/packages/plugin-puppeteer/package.json
index a37dfd3226..4f0ac23ad2 100644
--- a/packages/plugin-puppeteer/package.json
+++ b/packages/plugin-puppeteer/package.json
@@ -36,15 +36,15 @@
   "devDependencies": {
     "@types/pngjs": "^3.4.2",
     "@types/puppeteer-core": "^2.0.0",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "dependencies": {
     "chrome-finder": "^1.0.7",
     "pngjs": "^6.0.0",
-    "puppeteer-core": "^5.4.1"
+    "puppeteer-core": "^5.5.0"
   }
 }
diff --git a/packages/plugin-rss/package.json b/packages/plugin-rss/package.json
index 90e56ce593..edd63cf1aa 100644
--- a/packages/plugin-rss/package.json
+++ b/packages/plugin-rss/package.json
@@ -36,11 +36,11 @@
     "rss"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
-    "koishi-test-utils": "^5.0.2"
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "rss-feed-emitter": "^3.2.2"
diff --git a/packages/plugin-schedule/package.json b/packages/plugin-schedule/package.json
index c8731e26a6..be34d23880 100644
--- a/packages/plugin-schedule/package.json
+++ b/packages/plugin-schedule/package.json
@@ -35,11 +35,11 @@
   ],
   "devDependencies": {
     "koishi-plugin-mongo": "^1.1.2",
-    "koishi-plugin-mysql": "^2.0.2",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-plugin-mysql": "^2.1.0",
+    "koishi-test-utils": "^5.0.3"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   }
 }
diff --git a/packages/plugin-status/package.json b/packages/plugin-status/package.json
index 2b0db8870b..2267570baf 100644
--- a/packages/plugin-status/package.json
+++ b/packages/plugin-status/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-status",
   "description": "Show Status of Koishi",
-  "version": "2.0.0-beta.17",
+  "version": "2.0.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "files": [
@@ -32,12 +32,12 @@
     "status"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
     "koishi-plugin-mongo": "^1.1.2",
-    "koishi-plugin-mysql": "^2.0.2",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-plugin-mysql": "^2.1.0",
+    "koishi-test-utils": "^5.0.3"
   }
 }
diff --git a/packages/plugin-status/src/index.ts b/packages/plugin-status/src/index.ts
index 9ee808e6e4..6bcf096d9f 100644
--- a/packages/plugin-status/src/index.ts
+++ b/packages/plugin-status/src/index.ts
@@ -1,6 +1,6 @@
 import { Context, App, BotStatusCode } from 'koishi-core'
 import { cpus, totalmem, freemem } from 'os'
-import { Time } from 'koishi-utils'
+import { interpolate, Time } from 'koishi-utils'
 import { ActiveData } from './database'
 
 export * from './database'
@@ -17,7 +17,8 @@ declare module 'koishi-core/dist/server' {
 
 export interface Config {
   refresh?: number
-  output?: (status: Status) => string
+  format?: string
+  formatBot?: string
 }
 
 let usage = getCpuUsage()
@@ -90,32 +91,24 @@ const startTime = Date.now()
 
 const defaultConfig: Config = {
   refresh: Time.minute,
-  output({ bots, cpu, memory, startTime, activeUsers, activeGroups }) {
-    const output = bots
-      .filter(bot => bot.code !== BotStatusCode.BOT_IDLE)
-      .map(({ label, selfId, code, rate }) => {
-        return `${label || selfId}：${code ? '无法连接' : `工作中（${rate}/min）`}`
-      })
-
-    output.push('==========')
-
-    output.push(
-      `活跃用户数量：${activeUsers}`,
-      `活跃群数量：${activeGroups}`,
-      `启动时间：${new Date(startTime).toLocaleString('zh-CN', { hour12: false })}`,
-      `CPU 使用率：${(cpu.app * 100).toFixed()}% / ${(cpu.total * 100).toFixed()}%`,
-      `内存使用率：${(memory.app * 100).toFixed()}% / ${(memory.total * 100).toFixed()}%`,
-    )
-
-    return output.join('\n')
-  },
+  // eslint-disable-next-line no-template-curly-in-string
+  formatBot: '{{ label || selfId }}：{{ code ? `无法连接` : `工作中（${rate}/min）` }}',
+  format: [
+    '{{ bots }}',
+    '==========',
+    '活跃用户数量：{{ activeUsers }}',
+    '活跃群数量：{{ activeGroups }}',
+    '启动时间：{{ new Date(startTime).toLocaleString("zh-CN", { hour12: false }) }}',
+    'CPU 使用率：{{ (cpu.app * 100).toFixed() }}% / {{ (cpu.total * 100).toFixed() }}%',
+    '内存使用率：{{ (memory.app * 100).toFixed() }}% / {{ (memory.total * 100).toFixed() }}%',
+  ].join('\n'),
 }
 
 export const name = 'status'
 
 export function apply(ctx: Context, config: Config = {}) {
   const app = ctx.app
-  const { refresh, output } = { ...defaultConfig, ...config }
+  const { refresh, formatBot, format } = { ...defaultConfig, ...config }
 
   app.on('before-command', ({ session }) => {
     session.$user['lastCall'] = new Date()
@@ -166,7 +159,11 @@ export function apply(ctx: Context, config: Config = {}) {
     .shortcut('运行情况', { prefix: true })
     .shortcut('运行状态', { prefix: true })
     .action(async () => {
-      return output(await getStatus())
+      const status = await getStatus()
+      status.bots.toString = () => {
+        return status.bots.map(bot => interpolate(formatBot, bot)).join('\n')
+      }
+      return interpolate(format, status)
     })
 
   async function _getStatus(extend: boolean) {
diff --git a/packages/plugin-teach/package.json b/packages/plugin-teach/package.json
index f0110e1a1f..5eb8453435 100644
--- a/packages/plugin-teach/package.json
+++ b/packages/plugin-teach/package.json
@@ -1,7 +1,7 @@
 {
   "name": "koishi-plugin-teach",
   "description": "Teach plugin for Koishi",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "engines": {
@@ -38,13 +38,13 @@
     "conversation"
   ],
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "devDependencies": {
     "koishi-plugin-mongo": "^1.1.2",
-    "koishi-plugin-mysql": "^2.0.2",
-    "koishi-test-utils": "^5.0.2"
+    "koishi-plugin-mysql": "^2.1.0",
+    "koishi-test-utils": "^5.0.3"
   },
   "dependencies": {
     "axios": "^0.21.0",
diff --git a/packages/plugin-teach/src/internal.ts b/packages/plugin-teach/src/internal.ts
index caa9ae3935..1bae30e71c 100644
--- a/packages/plugin-teach/src/internal.ts
+++ b/packages/plugin-teach/src/internal.ts
@@ -1,6 +1,6 @@
 import { Context, Message } from 'koishi-core'
 import { Dialogue } from './utils'
-import { update } from './update'
+import { create, update } from './update'
 import { RegExpValidator } from 'regexpp'
 import { defineProperty } from 'koishi-utils'
 import { formatQuestionAnswers } from './search'
@@ -93,6 +93,10 @@ export default function apply(ctx: Context, config: Dialogue.Config) {
     const { options, session, target, dialogues } = argv
     const { question, answer, ignoreHint, regexp } = options
 
+    function applySuggestion(argv: Dialogue.Argv) {
+      return argv.target ? update(argv) : create(argv)
+    }
+
     // 修改问答时发现可能想改回答但是改了问题
     if (target && !ignoreHint && question && !answer && maybeAnswer(question, dialogues)) {
       const dispose = session.$use(({ message }, next) => {
@@ -101,7 +105,7 @@ export default function apply(ctx: Context, config: Dialogue.Config) {
         if (message && message !== '.' && message !== '。') return next()
         options.answer = options.original
         delete options.question
-        return update(argv)
+        return applySuggestion(argv)
       })
       return Message.Teach.MayModifyAnswer
     }
@@ -113,7 +117,7 @@ export default function apply(ctx: Context, config: Dialogue.Config) {
         message = message.trim()
         if (message && message !== '.' && message !== '。') return next()
         options.regexp = true
-        return update(argv)
+        return applySuggestion(argv)
       })
       return format(Message.Teach.MaybeRegExp, target ? '修改' : '添加')
     }
diff --git a/packages/plugin-teach/src/receiver.ts b/packages/plugin-teach/src/receiver.ts
index 2cf05b4dd1..e33812de00 100644
--- a/packages/plugin-teach/src/receiver.ts
+++ b/packages/plugin-teach/src/receiver.ts
@@ -232,12 +232,13 @@ export async function triggerDialogue(ctx: Context, session: Session, next: Next
     if (char === 'n') {
       await buffer.flush()
     } else if (char === '{') {
-      const argv = session.$parse(state.answer, '}')
+      const message = unescapeAnswer(state.answer)
+      const argv = session.$parse(message, '}')
       if (argv) {
         state.answer = argv.rest.slice(1)
         await buffer.run(() => session.$execute(argv))
       } else {
-        logger.warn('cannot parse:', state.answer)
+        logger.warn('cannot parse:', message)
         const index = state.answer.indexOf('}')
         state.answer = state.answer.slice(index + 1)
       }
@@ -247,7 +248,7 @@ export async function triggerDialogue(ctx: Context, session: Session, next: Next
   await ctx.app.parallel(session, 'dialogue/send', state)
 }
 
-export default function (ctx: Context, config: Dialogue.Config) {
+export default function apply(ctx: Context, config: Dialogue.Config) {
   const { nickname = ctx.app.options.nickname, maxRedirections = 3 } = config
   const nicknames = makeArray(nickname).map(escapeRegExp)
   const nicknameRE = new RegExp(`^((${nicknames.join('|')})[,，]?\\s*)+`)
@@ -267,6 +268,12 @@ export default function (ctx: Context, config: Dialogue.Config) {
     }
   }
 
+  ctx.prependListener('parse', (message, session) => {
+    if (session.$appel) return
+    const { activated } = ctx.getSessionState(session)
+    if (activated[session.userId]) session.$appel = true
+  })
+
   ctx.group().middleware(async (session, next) => {
     return triggerDialogue(ctx, session, next)
   })
diff --git a/packages/plugin-tools/package.json b/packages/plugin-tools/package.json
index d4d2183d25..22247fed1c 100644
--- a/packages/plugin-tools/package.json
+++ b/packages/plugin-tools/package.json
@@ -25,7 +25,7 @@
     "@types/qrcode": "^1.3.5"
   },
   "peerDependencies": {
-    "koishi-core": "^2.4.1",
+    "koishi-core": "^2.4.2",
     "koishi-utils": "^3.1.5"
   },
   "dependencies": {
diff --git a/packages/plugin-tools/src/music/netease.ts b/packages/plugin-tools/src/music/netease.ts
index 1a4f2963e3..1c02cd56e6 100644
--- a/packages/plugin-tools/src/music/netease.ts
+++ b/packages/plugin-tools/src/music/netease.ts
@@ -1,6 +1,6 @@
 import axios from 'axios'
 
-export default async function (keyword: string) {
+export default async function search(keyword: string) {
   const { data } = await axios.get('http://music.163.com/api/cloudsearch/pc', {
     params: { s: keyword, type: 1, offset: 0, limit: 5 },
   })
diff --git a/packages/plugin-tools/src/music/qq.ts b/packages/plugin-tools/src/music/qq.ts
index 3fe46f1c29..007cc57135 100644
--- a/packages/plugin-tools/src/music/qq.ts
+++ b/packages/plugin-tools/src/music/qq.ts
@@ -1,6 +1,6 @@
 import axios from 'axios'
 
-export default async function (keyword: string) {
+export default async function search(keyword: string) {
   const { data } = await axios.get('https://c.y.qq.com/soso/fcgi-bin/client_search_cp', {
     params: { p: 1, n: 5, w: keyword, format: 'json' },
   })