diff --git a/modules/practice.js b/modules/practice.js
index 43a6250..a07b8a7 100644
--- a/modules/practice.js
+++ b/modules/practice.js
@@ -23,7 +23,7 @@ app.get('/practice', async (req, res) => {
       let userQuery = await User.createQueryBuilder();
       const userId = res.locals.user.id;
       let currentPId = await getUserInfo(userId);
-      const test = [];
+      const unFinishedIdArray = [];
       if (!currentPId) {
         // 用户第一次进入练习板块
         await userQuery.update(User).set({current_p_id: 1}).where("id = :id", { id:userId }).execute();
@@ -42,8 +42,8 @@ app.get('/practice', async (req, res) => {
           }
         });
       }
-      if (test.length !== 0) {
-        const minOrder = Math.min.apply(null,test);
+      if (unFinishedIdArray.length !== 0) {
+        const minOrder = Math.min.apply(null,unFinishedIdArray);
         currentPId = minOrder;
         await userQuery.update(User).set({current_p_id: minOrder}).where("id = :id", { id:userId }).execute();
       }
@@ -57,10 +57,11 @@ app.get('/practice', async (req, res) => {
         item.isNow = item.order === currentPId;
       });
       let userACArray = await utopQuery.where('u_id=:u_id',{u_id:userId}).andWhere("is_finished=1").getMany();
-      
-      const originRating = syzoj.config.default.user.rating;
-      const newRating = originRating + userACArray.length * syzoj.config.practice_rating;
-      await userQuery.update(User).set({rating: newRating}).where('id=:u_id',{u_id:userId}).execute();
+      if (syzoj.config.practice_rating) {
+        const originRating = syzoj.config.default.user.rating;
+        const newRating = originRating + userACArray.length * syzoj.config.practice_rating;
+        await userQuery.update(User).set({rating: newRating}).where('id=:u_id',{u_id:userId}).execute();
+      }
       res.render('practice', {
         user:res.locals.user,
         result,