fix: Zhurui 创建Coder考试bug

src/views/ExamPage/ExamDetail.vue

@@ -493,11 +493,11 @@ export default {
         this.$message.error({
           message: "参加考试出错！",
           center: true
-        })
+        });
       }).finally(() => {
         this.loading.join = false;
         this.dialog.join = false;
-      })
+      });
     },
   }
 };