diff --git a/web_src/js/components/EditTopics.vue b/web_src/js/components/EditTopics.vue
index d2c871e03..72fae0a28 100644
--- a/web_src/js/components/EditTopics.vue
+++ b/web_src/js/components/EditTopics.vue
@@ -11,16 +11,16 @@
                         <div class="icon-wrapper">
                             <i style="line-height: 1.5;color: #303643;font-weight: 900;" v-if="showInitTopic[i]" class="el-icon-check" ></i>
                         </div>
-                        <div class="text">{{arr.topic_name}} </div>
+                        <div class="text">{{arr.topic_name.toLowerCase()}} </div>
                 </div>
                 <div v-if="showInputValue" class="addition item-text"  @click="postTopic">
-                    点击或回车添加<b class="user-add-label-text">{{input}}</b>标签
+                    点击或回车添加<b class="user-add-label-text">{{input.toLowerCase()}}</b>标签
                 </div>
                 <div v-if="showAddTopic" class="item-text" @click="addPostTopic">
                         <div class="icon-wrapper">
                             <i  style="line-height: 1.5;color: #303643;font-weight: 900;" v-if="showAddFlage" class="el-icon-check" ></i>
                         </div>
-                        <div class="text">{{input}}</div>
+                        <div class="text">{{input.toLowerCase()}}</div>
                 </div>
 
             </div>
@@ -134,7 +134,7 @@ export default {
             this.showSearchTopic = true
         }
             
-        else if(this.arrayTopics.indexOf(this.input)>-1){
+        else if(this.arrayTopics.indexOf(this.input.toLowerCase())>-1){
             this.showInputValue = false
             this.showSearchTopic = false
             
@@ -142,7 +142,7 @@ export default {
             
             this.showInitTopic = []
             let timestamp=new Date().getTime()
-            this.params.q = this.input
+            this.params.q = this.input.toLowerCase()
             this.params._ = timestamp
             this.$axios.get('/api/v1/topics/search',{
                 params:this.params
@@ -224,11 +224,11 @@ export default {
             return
         }else{
             let topic = this.input
-            if(this.arrayTopics.includes(topic)){
+            if(this.arrayTopics.includes(topic.toLowerCase())){
                 return
             }
             else{
-                this.arrayTopics.push(topic)
+                this.arrayTopics.push(topic.toLowerCase())
             
                 let topics = this.arrayTopics
                 let strTopics = topics.join(',')
@@ -268,7 +268,7 @@ export default {
         }
         else if(!this.showAddFlage){
             let topic = this.input
-            this.arrayTopics.push(topic)
+            this.arrayTopics.push(topic.toLowerCase())
             
             let topics = this.arrayTopics
             let strTopics = topics.join(',')