diff --git a/src/components/Course/exam.vue b/src/components/Course/exam.vue
index 3084be7d..fa0694bc 100644
--- a/src/components/Course/exam.vue
+++ b/src/components/Course/exam.vue
@@ -327,7 +327,7 @@ export default {
     },
     startTest(){
       apiExamPaper.newPaperContent(this.info.id).then(res=>{
-        if(res.error == ''&&res.result != ''){
+        if(!res.error&&res.result != ''){
           if(this.info.paperType==2){
             this.examPaper.json=res.result;
             let qitems=this.convertToItems(this.examPaper.json);