diff --git a/src/pages/auth/loading.vue b/src/pages/auth/loading.vue
index bada88d..0f114fe 100644
--- a/src/pages/auth/loading.vue
+++ b/src/pages/auth/loading.vue
@@ -24,6 +24,9 @@ export default {
     this.action = options.action || '';
 
     // #ifdef H5
+    // 每次进入页面清除旧的回调标记，防止上次异常退出后标记残留导致 startAuth 被跳过
+    uni.removeStorageSync('__auth_callback_done');
+
     // Mock 模式：跳过微信 OAuth，直接登录
     if (config.mockWechatLogin && this.action !== 'userinfo') {
       this.mockLogin();