修改

src/pages/exam/paperInfo.vue

@@ -254,7 +254,7 @@
         </div>
       </div>
       <div style="width:20%;text-align:right;">
-        <q-btn color="accent" size="sm" class="q-mr-md" label="返回" />
+        <q-btn color="accent" size="sm" class="q-mr-md" @click="goBack()" label="返回" />
       </div>
     </div>
     <div class="Exam-main">
@@ -451,6 +451,12 @@
             }
           })
         }
+      },
+      //返回
+      goBack(){
+        this.$router.push({
+            path: '/exam/examPaper'
+        })
       }
     }
   }