diff --git a/web_src/js/components/EditTopics.vue b/web_src/js/components/EditTopics.vue
index 8a69d1d3b..ff96d33af 100644
--- a/web_src/js/components/EditTopics.vue
+++ b/web_src/js/components/EditTopics.vue
@@ -209,6 +209,9 @@ export default {
         })
     },
     postTopic(){
+        if(showInputValue){
+            return
+        }
         const patter = /^[\u4e00-\u9fa5a-zA-Z0-9][\u4e00-\u9fa5a-zA-Z0-9-]{0,34}$/
         let regexp = patter.test(this.input)
         if(!regexp){