表单上传框样式优化

src/components/plugins/table-form/hc-form-upload.vue

@@ -108,6 +108,7 @@ const handleBlur = () => {
         box-shadow: 0 0 0 1.5px var(--el-color-primary) inset;
     }
     .hc-upload-input-src {
+        position: absolute;
         z-index: -1;
     }
 }