diff --git a/package-lock.json b/package-lock.json
index 857a438..53398b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3799,9 +3799,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001653",
-      "resolved": "https://registry.npmmirror.com/caniuse-lite/-/caniuse-lite-1.0.30001653.tgz",
-      "integrity": "sha512-XGWQVB8wFQ2+9NZwZ10GxTYC5hk0Fa+q8cSkr0tgvMhYhMHP/QC+WTgrePMDBWiWc/pV+1ik82Al20XOK25Gcw==",
+      "version": "1.0.30001655",
+      "resolved": "https://registry.npmmirror.com/caniuse-lite/-/caniuse-lite-1.0.30001655.tgz",
+      "integrity": "sha512-jRGVy3iSGO5Uutn2owlb5gR6qsGngTw9ZTb4ali9f3glshcNmJ2noam4Mo9zia5P9Dk3jNNydy7vQjuE5dQmfg==",
       "dev": true,
       "funding": [
         {
diff --git a/src/App.vue b/src/App.vue
index ce01a90..04b13f2 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -7,7 +7,6 @@ import CodemirrorEditor from '@/views/CodemirrorEditor.vue'
 </template>
 
 <style lang="less">
-// 仿 uniapp 外层全屏
 html,
 body,
 #app {
diff --git a/src/components/CodemirrorEditor/UploadImgDialog.vue b/src/components/CodemirrorEditor/UploadImgDialog.vue
index 6043e23..ac47eee 100644
--- a/src/components/CodemirrorEditor/UploadImgDialog.vue
+++ b/src/components/CodemirrorEditor/UploadImgDialog.vue
@@ -235,7 +235,6 @@ function saveQiniuConfiguration() {
       && formQiniu.value.secretKey
       && formQiniu.value.bucket
       && formQiniu.value.domain
-      && formQiniu.value.region
     )
   ) {
     ElMessage.error(`七牛云 Kodo 参数配置不全`)
@@ -447,8 +446,8 @@ function uploadImage(params) {
           <el-form-item label="Bucket 对应域名" :required="true">
             <el-input v-model.trim="formQiniu.domain" placeholder="如：https://images.123ylb.cn" />
           </el-form-item>
-          <el-form-item label="存储区域" :required="true">
-            <el-input v-model.trim="formQiniu.region" placeholder="如：z2" />
+          <el-form-item label="存储区域" :required="false">
+            <el-input v-model.trim="formQiniu.region" placeholder="如：z2，可不填" />
           </el-form-item>
           <el-form-item label="存储路径" :required="false">
             <el-input v-model.trim="formQiniu.path" placeholder="如：img，可不填，默认为根目录" />
@@ -527,7 +526,6 @@ function uploadImage(params) {
   width: 55%;
   min-width: 640px;
   min-height: 615px;
-  // 消除固定的行内样式，配合 flex 布局居中元素
   margin: auto !important;
 }
 
diff --git a/src/config/index.ts b/src/config/index.ts
index 8ff15dc..34e19b6 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -4,7 +4,7 @@ export * from './theme'
 
 export const prefix = `MD`
 
-const isMac = window.navigator.platform === `MacIntel`
+const isMac = /Mac/i.test(navigator.userAgent)
 
 export const ctrlKey = isMac ? `Cmd` : `Ctrl`
 export const altKey = `Alt`