diff --git a/package.json b/package.json
index 076ae385d..e3473ba0a 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
     "dayjs": "1.11.4",
     "ejs": "^3.1.8",
     "entities": "^4.3.1",
+    "file-type": "^17.1.6",
     "handlebars": "^4.7.7",
     "i": "^0.3.7",
     "image-size": "^1.0.2",
@@ -86,6 +87,7 @@
     "jszip": "^3.10.0",
     "lodash": "*",
     "marked": "^4.0.18",
+    "mime": "^3.0.0",
     "mkdirp": "^1.0.4",
     "mongoose": "6.5.0",
     "mongoose-aggregate-paginate-v2": "1.0.6",
@@ -121,6 +123,7 @@
     "@types/js-yaml": "^4.0.5",
     "@types/lodash": "4.14.182",
     "@types/marked": "^4.0.3",
+    "@types/mime": "^3.0.1",
     "@types/mongoose-aggregate-paginate-v2": "^1.0.5",
     "@types/node": "17.0.24",
     "@types/nodemailer": "6.4.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e70206304..2aa761bf8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -30,6 +30,7 @@ specifiers:
   '@types/js-yaml': ^4.0.5
   '@types/lodash': 4.14.182
   '@types/marked': ^4.0.3
+  '@types/mime': ^3.0.1
   '@types/mongoose-aggregate-paginate-v2': ^1.0.5
   '@types/node': 17.0.24
   '@types/nodemailer': 6.4.5
@@ -57,6 +58,7 @@ specifiers:
   ejs: ^3.1.8
   entities: ^4.3.1
   eslint: '*'
+  file-type: ^17.1.6
   get-image-colors: ^4.0.1
   handlebars: ^4.7.7
   husky: 7.0.4
@@ -68,6 +70,7 @@ specifiers:
   lint-staged: 13.0.3
   lodash: '*'
   marked: ^4.0.18
+  mime: ^3.0.0
   mkdirp: ^1.0.4
   mongodb-memory-server: 8.8.0
   mongoose: 6.5.0
@@ -132,6 +135,7 @@ dependencies:
   dayjs: 1.11.4
   ejs: 3.1.8
   entities: 4.3.1
+  file-type: 17.1.6
   handlebars: 4.7.7
   i: 0.3.7
   image-size: 1.0.2
@@ -139,6 +143,7 @@ dependencies:
   jszip: 3.10.0
   lodash: 4.17.21
   marked: 4.0.18
+  mime: 3.0.0
   mkdirp: 1.0.4
   mongoose: 6.5.0
   mongoose-aggregate-paginate-v2: 1.0.6
@@ -178,6 +183,7 @@ devDependencies:
   '@types/js-yaml': 4.0.5
   '@types/lodash': 4.14.182
   '@types/marked': 4.0.3
+  '@types/mime': 3.0.1
   '@types/mongoose-aggregate-paginate-v2': 1.0.5
   '@types/node': 17.0.24
   '@types/nodemailer': 6.4.5
@@ -1045,6 +1051,10 @@ packages:
       '@redis/client': 1.2.0
     dev: false
 
+  /@tokenizer/token/0.3.0:
+    resolution: {integrity: sha512-OvjF+z51L3ov0OyAU0duzsYuvO01PH7x4t6DJx+guahgTnBHkhJdG7soQeTSFLWN3efnHyibZ4Z8l2EuWwJN3A==}
+    dev: false
+
   /@tsconfig/node10/1.0.8:
     resolution: {integrity: sha512-6XFfSQmMgq0CFLY1MslA/CPUfhIL919M1rMsa5lP2P097N2Wd1sSX0tx1u4olM16fLNhtHZpRhedZJphNJqmZg==}
     dev: true
@@ -1228,6 +1238,10 @@ packages:
     resolution: {integrity: sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==}
     dev: true
 
+  /@types/mime/3.0.1:
+    resolution: {integrity: sha512-Y4XFY5VJAuw0FgAqPNd6NNoV44jbq9Bz2L7Rh/J6jLTiHBSBJa9fxqQIvkIld4GsoDOcCbvzOUAbLPsSKKg+uA==}
+    dev: true
+
   /@types/minimist/1.2.2:
     resolution: {integrity: sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==}
     dev: true
@@ -3754,6 +3768,15 @@ packages:
       flat-cache: 3.0.4
     dev: true
 
+  /file-type/17.1.6:
+    resolution: {integrity: sha512-hlDw5Ev+9e883s0pwUsuuYNu4tD7GgpUnOvykjv1Gya0ZIjuKumthDRua90VUn6/nlRKAjcxLUnHNTIUWwWIiw==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      readable-web-to-node-stream: 3.0.2
+      strtok3: 7.0.0
+      token-types: 5.0.1
+    dev: false
+
   /filelist/1.0.4:
     resolution: {integrity: sha512-w1cEuf3S+DrLCQL7ET6kz+gmlJdbq9J7yXCSjK/OZCPA+qEN1WyF4ZAf0YYJa4/shHJra2t/d/r8SV4Ji+x+8Q==}
     dependencies:
@@ -5259,6 +5282,12 @@ packages:
     engines: {node: '>=4'}
     hasBin: true
 
+  /mime/3.0.0:
+    resolution: {integrity: sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A==}
+    engines: {node: '>=10.0.0'}
+    hasBin: true
+    dev: false
+
   /mimic-fn/2.1.0:
     resolution: {integrity: sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==}
     engines: {node: '>=6'}
@@ -5957,6 +5986,11 @@ packages:
     resolution: {integrity: sha512-KG8UEiEVkR3wGEb4m5yZkVCzigAD+cVEJck2CzYZO37ZGJfctvVptVO192MwrtPhzONn6go8ylnOdMhKqi4nfg==}
     dev: false
 
+  /peek-readable/5.0.0:
+    resolution: {integrity: sha512-YtCKvLUOvwtMGmrniQPdO7MwPjgkFBtFIrmfSbYmYuq3tKDV/mcfAhBth1+C3ru7uXIZasc/pHnb+YDYNkkj4A==}
+    engines: {node: '>=14.16'}
+    dev: false
+
   /pend/1.2.0:
     resolution: {integrity: sha1-elfrVQpng/kRUzH89GY9XI4AelA=}
     dev: false
@@ -6254,6 +6288,13 @@ packages:
       abort-controller: 3.0.0
     dev: false
 
+  /readable-web-to-node-stream/3.0.2:
+    resolution: {integrity: sha512-ePeK6cc1EcKLEhJFt/AebMCLL+GgSKhuygrZ/GLaKZYEecIgIECf4UaUuaByiGtzckwR4ain9VzUh95T1exYGw==}
+    engines: {node: '>=8'}
+    dependencies:
+      readable-stream: 3.6.0
+    dev: false
+
   /readdirp/3.6.0:
     resolution: {integrity: sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==}
     engines: {node: '>=8.10.0'}
@@ -6915,6 +6956,14 @@ packages:
     resolution: {integrity: sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==}
     dev: true
 
+  /strtok3/7.0.0:
+    resolution: {integrity: sha512-pQ+V+nYQdC5H3Q7qBZAz/MO6lwGhoC2gOAjuouGf/VO0m7vQRh8QNMl2Uf6SwAtzZ9bOw3UIeBukEGNJl5dtXQ==}
+    engines: {node: '>=14.16'}
+    dependencies:
+      '@tokenizer/token': 0.3.0
+      peek-readable: 5.0.0
+    dev: false
+
   /supports-color/5.5.0:
     resolution: {integrity: sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==}
     engines: {node: '>=4'}
@@ -7120,6 +7169,14 @@ packages:
     resolution: {integrity: sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==}
     engines: {node: '>=0.6'}
 
+  /token-types/5.0.1:
+    resolution: {integrity: sha512-Y2fmSnZjQdDb9W4w4r1tswlMHylzWIeOKpx0aZH9BgGtACHhrk3OkT52AzwcuqTRBZtvvnTjDBh8eynMulu8Vg==}
+    engines: {node: '>=14.16'}
+    dependencies:
+      '@tokenizer/token': 0.3.0
+      ieee754: 1.2.1
+    dev: false
+
   /tough-cookie/2.5.0:
     resolution: {integrity: sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==}
     engines: {node: '>=0.8'}
@@ -7352,7 +7409,7 @@ packages:
       punycode: 2.1.1
 
   /util-deprecate/1.0.2:
-    resolution: {integrity: sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=}
+    resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
 
   /utils-merge/1.0.1:
     resolution: {integrity: sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==}
diff --git a/src/bootstrap.ts b/src/bootstrap.ts
index 5d369101e..3bb330653 100644
--- a/src/bootstrap.ts
+++ b/src/bootstrap.ts
@@ -36,7 +36,7 @@ export async function bootstrap() {
         ejs: require("ejs"),
       },
       templates: join(THEME_DIR), // 模板目录，模板名字应在 Render 中指定
-      viewExt: "ejs",
+      viewExt: "ejs", // 模板文件的后缀名
       defaultContext: {
         dev: process.env.NODE_ENV === "development",
       },