fix

src/modules/plan-manage/components/BasicInfo.jsx

@@ -80,11 +80,19 @@ class BasicInfo extends React.Component {
       this.props.onChange('coverId', null);
     }, 1000);
   };
+
   handleSelectCover = (file) => {
-    this.setState({
-      visible: true,
-      imageFile: file,
-    });
+
+    if(file){
+      this.setState({
+        visible: true,
+        imageFile: file,
+      });
+    }else{
+      message.warning('请选择文件！')
+    }
+
+    
   };
   //获取resourceId
   getSignature = (blob, fileName) => {