修复上传同一张图片无法上传bug

src/view/NFT/Create/upload.vue

@@ -211,7 +211,8 @@ export default Vue.extend({
         }
         this.$toast(item.name);
     },
-    handleFileChange(ref:any) {
+    async handleFileChange(ref:any) {
+      console.log('上传了')
       console.log(ref);
       
       const ele = this.$refs[ref] as HTMLInputElement;
@@ -240,7 +241,8 @@ export default Vue.extend({
 
       if (files && files.length >= 1) {
         this[this.uploadType == '封面图片'? 'coverstatus':'status'] = uploadStatus.uploading;
-        this.afterRead(files[0]);
+        await this.afterRead(files[0]);
+        ele.value = ''
       }
     },
     ...mapMutations("create", {