diff --git a/docs/.vitepress/config.ts b/docs/.vitepress/config.ts
index 524393a5..2976c8bb 100644
--- a/docs/.vitepress/config.ts
+++ b/docs/.vitepress/config.ts
@@ -126,6 +126,11 @@ export default defineConfig({
                     { text: '常见问题', link: '/guide/setup-runtime/Q&A' },
                 ],
             },
+            {
+                text: '工具',
+                collapsed: true,
+                items: [{ text: 'Wechat', collapsed: true, items: [{ text: '计算数据库Key', link: '/guide/tools/Wechat/calc-wechat-key' }] }],
+            },
             {
                 text: '其他',
                 items: [
diff --git a/docs/guide/tools/Wechat/calc-wechat-key.md b/docs/guide/tools/Wechat/calc-wechat-key.md
new file mode 100644
index 00000000..376f118f
--- /dev/null
+++ b/docs/guide/tools/Wechat/calc-wechat-key.md
@@ -0,0 +1,49 @@
+# 计算微信数据库 key
+
+<script>
+import MD5 from 'md5'
+
+export default {
+    data: () => ({
+        _IMEI:'',
+        uni:''
+    }),
+    computed:{
+        IMEI: {
+            get() {
+                return this._IMEI
+            },
+            set(value) {
+                this._IMEI = value.toUpperCase();
+            }
+        },
+        key(){
+            if (!this.IMEI|| !this.uni) return '';
+            const full = this.IMEI + '' + this.uni;
+            const key = MD5(full).substring(0, 7).toLowerCase()
+            return key;
+        }
+    }
+};
+</script>
+
+<div>
+    <div class="form">
+        <label for="IMEI">
+            <span>IMEI: </span>
+            <input type="text" name="IMEI" v-model.lazy.trim="IMEI" placeholder="请输入 IMEI"/>
+        </label>
+        <br />
+        <label for="uni">
+            <span>uni: </span>
+            <input type="text"  name="uni" v-model.lazy.trim="uni" placeholder="请输入 uni" />
+        </label>
+    </div>
+    <p>key: {{ key }}</p>
+</div>
+
+<style lang="sass">
+.form
+    input
+        border: 1px solid #333
+</style>
diff --git a/package-lock.json b/package-lock.json
index 996a986b..5e18353a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,6 +6,7 @@
         "": {
             "dependencies": {
                 "lodash": "^4.17.21",
+                "md5": "^2.3.0",
                 "vitepress": "^1.0.0-rc.31",
                 "vue": "^3.3.8",
                 "vue-select": "^4.0.0-beta.6"
@@ -1143,6 +1144,14 @@
                 "url": "https://github.com/sponsors/wooorm"
             }
         },
+        "node_modules/charenc": {
+            "version": "0.0.2",
+            "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
+            "integrity": "sha512-yrLQ/yVUFXkzg7EDQsPieE/53+0RlaWTs+wBrvW36cyilJ2SaDWfl4Yj7MtLTXleV9uEKefbAGUPv2/iWSooRA==",
+            "engines": {
+                "node": "*"
+            }
+        },
         "node_modules/chokidar": {
             "version": "3.5.3",
             "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
@@ -1179,6 +1188,14 @@
                 "url": "https://github.com/sponsors/wooorm"
             }
         },
+        "node_modules/crypt": {
+            "version": "0.0.2",
+            "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
+            "integrity": "sha512-mCxBlsHFYh9C+HVpiEacem8FEBnMXgU9gy4zmNC+SXAZNB/1idgp/aulFJ4FgCi7GPEVbfyng092GqL2k2rmow==",
+            "engines": {
+                "node": "*"
+            }
+        },
         "node_modules/csstype": {
             "version": "3.1.2",
             "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.2.tgz",
@@ -1452,6 +1469,11 @@
                 "node": ">=8"
             }
         },
+        "node_modules/is-buffer": {
+            "version": "1.1.6",
+            "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+            "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+        },
         "node_modules/is-extglob": {
             "version": "2.1.1",
             "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -1503,6 +1525,16 @@
             "resolved": "https://registry.npmjs.org/mark.js/-/mark.js-8.11.1.tgz",
             "integrity": "sha512-1I+1qpDt4idfgLQG+BNWmrqku+7/2bi5nLf4YwF8y8zXvmfiTBY3PV3ZibfrjBueCByROpuBjLLFCajqkgYoLQ=="
         },
+        "node_modules/md5": {
+            "version": "2.3.0",
+            "resolved": "https://registry.npmjs.org/md5/-/md5-2.3.0.tgz",
+            "integrity": "sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==",
+            "dependencies": {
+                "charenc": "0.0.2",
+                "crypt": "0.0.2",
+                "is-buffer": "~1.1.6"
+            }
+        },
         "node_modules/mdast-util-to-hast": {
             "version": "13.0.2",
             "resolved": "https://registry.npmjs.org/mdast-util-to-hast/-/mdast-util-to-hast-13.0.2.tgz",
@@ -2773,6 +2805,11 @@
             "resolved": "https://registry.npmjs.org/character-entities-legacy/-/character-entities-legacy-3.0.0.tgz",
             "integrity": "sha512-RpPp0asT/6ufRm//AJVwpViZbGM/MkjQFxJccQRHmISF/22NBtsHqAWmL+/pmkPWoIUJdWyeVleTl1wydHATVQ=="
         },
+        "charenc": {
+            "version": "0.0.2",
+            "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
+            "integrity": "sha512-yrLQ/yVUFXkzg7EDQsPieE/53+0RlaWTs+wBrvW36cyilJ2SaDWfl4Yj7MtLTXleV9uEKefbAGUPv2/iWSooRA=="
+        },
         "chokidar": {
             "version": "3.5.3",
             "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
@@ -2794,6 +2831,11 @@
             "resolved": "https://registry.npmjs.org/comma-separated-tokens/-/comma-separated-tokens-2.0.3.tgz",
             "integrity": "sha512-Fu4hJdvzeylCfQPp9SGWidpzrMs7tTrlu6Vb8XGaRGck8QSNZJJp538Wrb60Lax4fPwR64ViY468OIUTbRlGZg=="
         },
+        "crypt": {
+            "version": "0.0.2",
+            "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
+            "integrity": "sha512-mCxBlsHFYh9C+HVpiEacem8FEBnMXgU9gy4zmNC+SXAZNB/1idgp/aulFJ4FgCi7GPEVbfyng092GqL2k2rmow=="
+        },
         "csstype": {
             "version": "3.1.2",
             "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.2.tgz",
@@ -2999,6 +3041,11 @@
                 "binary-extensions": "^2.0.0"
             }
         },
+        "is-buffer": {
+            "version": "1.1.6",
+            "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+            "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+        },
         "is-extglob": {
             "version": "2.1.1",
             "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -3038,6 +3085,16 @@
             "resolved": "https://registry.npmjs.org/mark.js/-/mark.js-8.11.1.tgz",
             "integrity": "sha512-1I+1qpDt4idfgLQG+BNWmrqku+7/2bi5nLf4YwF8y8zXvmfiTBY3PV3ZibfrjBueCByROpuBjLLFCajqkgYoLQ=="
         },
+        "md5": {
+            "version": "2.3.0",
+            "resolved": "https://registry.npmjs.org/md5/-/md5-2.3.0.tgz",
+            "integrity": "sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==",
+            "requires": {
+                "charenc": "0.0.2",
+                "crypt": "0.0.2",
+                "is-buffer": "~1.1.6"
+            }
+        },
         "mdast-util-to-hast": {
             "version": "13.0.2",
             "resolved": "https://registry.npmjs.org/mdast-util-to-hast/-/mdast-util-to-hast-13.0.2.tgz",
diff --git a/package.json b/package.json
index 5f1497c4..e2bdb424 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     },
     "dependencies": {
         "lodash": "^4.17.21",
+        "md5": "^2.3.0",
         "vitepress": "^1.0.0-rc.31",
         "vue": "^3.3.8",
         "vue-select": "^4.0.0-beta.6"