diff --git a/app/src/main/java/com/hnjc/wjtx/MainActivity.java b/app/src/main/java/com/hnjc/wjtx/MainActivity.java
index 64eadec..6e7c71e 100755
--- a/app/src/main/java/com/hnjc/wjtx/MainActivity.java
+++ b/app/src/main/java/com/hnjc/wjtx/MainActivity.java
@@ -98,9 +98,11 @@ public class MainActivity extends Activity {
             builder.setPositiveButton("取消",null);
             //显示弹框
             builder.show();
+            return true;
+        } else {
+            return super.onKeyDown(keyCode, keyEvent);
         }
 
-        return super.onKeyDown(keyCode, keyEvent);
     }
 
     private void setExternalInterfaces() {