忘了做判断了,增加判断

Wyajun · Oct 9, 2017 · d149c12 · d149c12
1 parent 969290d
commit d149c12
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/QMUIKit/QMUIComponents/QMUIAlertController.m b/QMUIKit/QMUIComponents/QMUIAlertController.m
@@ -1057,8 +1057,10 @@ - (void)handleMaskViewEvent:(id)sender {
 
 - (void)didClickAlertAction:(QMUIAlertAction *)alertAction {
     [self hideWithAnimated:YES completion:^{
-        alertAction.handler(alertAction);
-        alertAction.handler = nil;
+        if (alertAction.handler) {
+            alertAction.handler(alertAction);
+            alertAction.handler = nil;
+        }
     }];
 }