diff --git a/resources/assets/js/pages/manage/messenger.vue b/resources/assets/js/pages/manage/messenger.vue
index 007f1d59..8495c8b9 100644
--- a/resources/assets/js/pages/manage/messenger.vue
+++ b/resources/assets/js/pages/manage/messenger.vue
@@ -200,7 +200,8 @@ export default {
             }
         },
         dialogOpenId(id) {
-            this.dialogId = id;
+            if ( id > 0 )
+                this.dialogId = id;
         },
         contactsKey(val) {
             setTimeout(() => {
diff --git a/resources/assets/js/store/actions.js b/resources/assets/js/store/actions.js
index 1229d271..ead1323b 100644
--- a/resources/assets/js/store/actions.js
+++ b/resources/assets/js/store/actions.js
@@ -1765,6 +1765,8 @@ export default {
                 reject({msg: 'Parameter error'});
                 return;
             }
+            // 先重置dialogOpenId，否者无法重复打开相同对话
+            state.dialogOpenId = 0;
             dispatch("call", {
                 url: 'dialog/open/user',
                 data: {