fix:some

src/views/settings/payment-merchant-pools/components/WechatAuthorizationManagement.vue

@@ -23,8 +23,8 @@
           <ElSwitch v-model="form.enabled" active-text="启用" inactive-text="停用" />
         </ElFormItem>
         <ElDivider content-position="left">小程序授权</ElDivider>
-        <ElFormItem label="小程序 AppID" prop="miniapp_app_id">
-          <ElInput v-model="form.miniapp_app_id" maxlength="64" placeholder="请输入小程序 AppID" />
+        <ElFormItem label="小程序 AppID（选填）" prop="miniapp_app_id">
+          <ElInput v-model="form.miniapp_app_id" maxlength="64" />
         </ElFormItem>
         <ElFormItem label="小程序 AppSecret">
           <ElInput
@@ -163,11 +163,15 @@
 
     const payload: UpdateWechatAuthorizationRequest = {
       enabled: form.enabled,
-      miniapp_app_id: form.miniapp_app_id?.trim() || '',
       oa_app_id: form.oa_app_id?.trim() || '',
       oa_oauth_redirect_url: form.oa_oauth_redirect_url?.trim() || ''
     }
 
+    const miniappAppId = form.miniapp_app_id?.trim()
+    if (miniappAppId) {
+      payload.miniapp_app_id = miniappAppId
+    }
+
     if (sensitive.miniapp_app_secret) {
       payload.miniapp_app_secret = sensitive.miniapp_app_secret
     }