Merge branch 'new_dev' of https://github.com/deepcloud2048/deep_voice into new_dev

lib/core/utils/permission_util.dart

@@ -148,6 +148,12 @@ class PermissionUtil {
         _hideExplanationOverlay();
       }
       return false;
+    } finally {
+      // 确保在异常或正常流程结束时都隐藏解释横幅
+      if (isOverlayShown) {
+        _hideExplanationOverlay();
+        Logger.d('PermissionUtil', '在 finally 块中关闭权限说明弹窗');
+      }
     }
   }
 
@@ -198,7 +204,7 @@ class PermissionUtil {
         ],
       ),
       // 防止用户通过点击背景关闭解释横幅
-      barrierDismissible: false,
+      //barrierDismissible: false,
     );
   }