diff --git a/lib/pages/user/setting/reback_page.dart b/lib/pages/user/setting/reback_page.dart
index e651962..e25a8de 100644
--- a/lib/pages/user/setting/reback_page.dart
+++ b/lib/pages/user/setting/reback_page.dart
@@ -111,6 +111,10 @@ class ReBackPageState extends State<ReBackPage> {
                         4.5.verticalSpace,
                         GestureDetector(
                           onTap: () {
+                            if (_textInputStr.length < 10) {
+                              // 输入范围为10-450以内
+                              return;
+                            }
                             userFeedBack(_textInputStr);
                           },
                           child: Container(