diff --git a/packages/devops-server/package-lock.json b/packages/devops-server/package-lock.json
index 2513c695db..b55544d93e 100644
--- a/packages/devops-server/package-lock.json
+++ b/packages/devops-server/package-lock.json
@@ -6,10 +6,11 @@
   "packages": {
     "": {
       "name": "laf-devops-server",
-      "version": "0.4.3",
+      "version": "0.4.12",
       "dependencies": {
         "body-parser": "^1.19.0",
         "cloud-function-engine": "^0.4.3",
+        "dayjs": "^1.10.6",
         "dotenv": "^8.2.0",
         "express": "^4.17.1",
         "jsonwebtoken": "^8.5.1",
@@ -294,6 +295,11 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/dayjs": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.10.6.tgz",
+      "integrity": "sha512-AztC/IOW4L1Q41A86phW5Thhcrco3xuAA+YX/BLpLWWjRcTj5TOt/QImBLmCKlrF7u7k47arTnOyL6GnbG8Hvw=="
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -1436,6 +1442,11 @@
       "resolved": "https://registry.npmjs.org/date-format/-/date-format-3.0.0.tgz",
       "integrity": "sha512-eyTcpKOcamdhWJXj56DpQMo1ylSQpcGtGKXcU0Tb97+K56/CF5amAqqqNj0+KvA0iw2ynxtHWFsPDSClCxe48w=="
     },
+    "dayjs": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.10.6.tgz",
+      "integrity": "sha512-AztC/IOW4L1Q41A86phW5Thhcrco3xuAA+YX/BLpLWWjRcTj5TOt/QImBLmCKlrF7u7k47arTnOyL6GnbG8Hvw=="
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
diff --git a/packages/devops-server/package.json b/packages/devops-server/package.json
index 6a3e957dbb..0c47d914a1 100644
--- a/packages/devops-server/package.json
+++ b/packages/devops-server/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "body-parser": "^1.19.0",
     "cloud-function-engine": "^0.4.3",
+    "dayjs": "^1.10.6",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "jsonwebtoken": "^8.5.1",
diff --git a/packages/devops-server/src/api/function.ts b/packages/devops-server/src/api/function.ts
index d15576803d..c8e686bf39 100644
--- a/packages/devops-server/src/api/function.ts
+++ b/packages/devops-server/src/api/function.ts
@@ -5,6 +5,7 @@ import { compileTs2js } from 'cloud-function-engine/dist/utils'
 import { CloudFunctionStruct } from "cloud-function-engine"
 import { ClientSession, ObjectId } from 'mongodb'
 import * as assert from 'assert'
+
 const db = Globals.sys_db
 
 /**
@@ -112,7 +113,7 @@ export async function deployFunctions(functions: CloudFunctionStruct[]) {
 
 async function _deployOneFunction(func: CloudFunctionStruct, session: ClientSession) {
 
-  await _deleteFunctionWithSameNameButNotId(func, session)
+  await _processFunctionWithSameNameButNotId(func, session)
 
   const db = Globals.sys_accessor.db
   const r = await db.collection(Constants.cn.functions).findOne({ _id: new ObjectId(func._id) }, { session })
@@ -140,15 +141,38 @@ async function _deployOneFunction(func: CloudFunctionStruct, session: ClientSess
 }
 
 /**
- * 删除本地 _id 不同，但 name 相同的云函数（若存在）
+ * 处理本地 _id 不同，但 name 相同的云函数（若存在）
  * @param func 
  */
-async function _deleteFunctionWithSameNameButNotId(func: CloudFunctionStruct, session: ClientSession) {
+async function _processFunctionWithSameNameButNotId(func: CloudFunctionStruct, session: ClientSession) {
   const db = Globals.sys_accessor.db
-  await db.collection(Constants.cn.functions).findOneAndDelete({
-    _id: {
-      $ne: new ObjectId(func._id)
+
+  // remove functions
+  const r = await db.collection(Constants.cn.functions).findOneAndDelete(
+    {
+      _id: {
+        $ne: new ObjectId(func._id)
+      },
+      name: func.name
+    },
+    { session })
+
+  if (!r.value) {
+    return
+  }
+
+  Globals.logger.warn(`delete local func ${r?.value?._id} with same name with (${func._id}:${func.name}) but different id `)
+
+  // remove its triggers if any
+  const r0 = await db.collection(Constants.cn.triggers).deleteMany(
+    {
+      func_id: r?.value?._id?.toString()
     },
-    name: func.name
-  }, { session })
+    { session })
+
+  if (!r0.deletedCount) {
+    return
+  }
+
+  Globals.logger.warn(`delete triggers of func ${func._id} which been deleted`, r0)
 }
\ No newline at end of file
diff --git a/packages/devops-server/src/api/trigger.ts b/packages/devops-server/src/api/trigger.ts
index 2f5cf4fe3a..c9a56ed1bb 100644
--- a/packages/devops-server/src/api/trigger.ts
+++ b/packages/devops-server/src/api/trigger.ts
@@ -89,8 +89,15 @@ export async function deployTriggers(triggers: any[]) {
 }
 
 async function _deployOneTrigger(trigger: any, session: ClientSession) {
-
   const db = Globals.sys_accessor.db
+
+  // skip trigger with invalid func_id
+  const func = await db.collection(Constants.cn.functions).findOne({ _id: new ObjectId(trigger.func_id) })
+  if (!func) {
+    logger.warn(`skip trigger with invalid func_id: ${trigger.func_id}`, trigger)
+    return
+  }
+
   const r = await db.collection(Constants.cn.triggers).findOne({ _id: new ObjectId(trigger._id) }, { session })
 
   const data = {
@@ -98,7 +105,8 @@ async function _deployOneTrigger(trigger: any, session: ClientSession) {
   }
 
   logger.debug('deploy trigger: ', data, r)
-  // if exists function
+  
+  // if exists trigger
   if (r) {
     delete data['_id']
     const ret = await db.collection(Constants.cn.triggers).updateOne({ _id: r._id }, {
@@ -109,7 +117,7 @@ async function _deployOneTrigger(trigger: any, session: ClientSession) {
     return
   }
 
-  // if new function
+  // if new trigger
   data._id = new ObjectId(data._id) as any
   const ret = await db.collection(Constants.cn.triggers).insertOne(data as any, { session })
   assert(ret.insertedId, `deploy: add trigger ${trigger.name} occurred error`)