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public/react/src/modules/courses/graduation/tasks/GraduationTasksappraise.js

@@ -213,7 +213,7 @@ class GraduationTasksappraise extends Component{
                       {/*<span className={"mr10 color9B9B"}>15M</span>*/}
                     {/*</div>*/}
 
-                  {datalist&&datalist.attachments.map((item,key)=>{
+                  {datalist&& datalist.attachments && datalist.attachments.map((item,key)=>{
                     return(
                       <div className="color-grey" key={key}>
                         <a className="color-grey ml20">