Merge branch 'cd_bug_4406' into custom

src/views/semantics_manage/asr/components/mediaUpload.vue

@@ -155,6 +155,9 @@ import MD5 from "js-md5";
         if(this.uploadingFileNames.some(item=> item == fileFront)){
           return this.$message.error(file.name+'同名文件正在上传，请稍后重试')
         }
+        if(this.fileList.some(item=> item.name == fileFront)){
+          return this.$message.error('同名文件已存在：'+fileFront)
+        }
         if(!(this.fileExp.test(file.name))){
           return this.$message.error(file.name+'格式不受支持')
         }