diff --git a/lib/logic/main_page_logic.dart b/lib/logic/main_page_logic.dart
index be65eb2..4ed0593 100644
--- a/lib/logic/main_page_logic.dart
+++ b/lib/logic/main_page_logic.dart
@@ -158,7 +158,11 @@ class MainPageLogic {
           },
           failed: (CommonBean bean) {
             Navigator.of(_model.context).pop();
-            _showTextDialog(bean.description);
+            if(bean.description.contains("任务不存在")){
+              _deleteDataBaseTask(taskBean);
+            } else {
+              _showTextDialog(bean.description);
+            }
           },
           error: (msg) {
             Navigator.of(_model.context).pop();
diff --git a/lib/logic/search_page_logic.dart b/lib/logic/search_page_logic.dart
index 292a007..bb3e171 100644
--- a/lib/logic/search_page_logic.dart
+++ b/lib/logic/search_page_logic.dart
@@ -91,7 +91,11 @@ class SearchPageLogic{
           },
           failed: (CommonBean bean) {
             Navigator.of(_model.context).pop();
-            _showTextDialog(bean.description);
+            if(bean.description.contains("任务不存在")){
+              doDelete(taskBean, globalModel);
+            } else {
+              _showTextDialog(bean.description);
+            }
           },
           error: (msg) {
             Navigator.of(_model.context).pop();
diff --git a/lib/logic/task_detail_page_logic.dart b/lib/logic/task_detail_page_logic.dart
index eafab72..3e3a77b 100644
--- a/lib/logic/task_detail_page_logic.dart
+++ b/lib/logic/task_detail_page_logic.dart
@@ -117,7 +117,12 @@ class TaskDetailPageLogic {
       },
       failed: (CommonBean bean) {
         Navigator.of(_model.context).pop();
-        _showTextDialog(bean.description, _model.context);
+        if(bean.description.contains("任务不存在")){
+          deleteAndExit(mainPageModel);
+        } else {
+          _showTextDialog(bean.description, _model.context);
+        }
+
       },
       error: (msg) {
         Navigator.of(_model.context).pop();