fixi issue

web_src/js/components/EditTopics.vue

@@ -164,7 +164,7 @@ export default {
                 let findelement = this.array.some((item)=>{
                     
                 
-                    return item.topic_name===this.input
+                    return item.topic_name===this.input.toLowerCase()
                 })
                 this.showInputValue = !findelement