diff --git a/src/api/controllers/exam.controller.ts b/src/api/controllers/exam.controller.ts
index 2a12de8..dcbbdbb 100644
--- a/src/api/controllers/exam.controller.ts
+++ b/src/api/controllers/exam.controller.ts
@@ -39,6 +39,7 @@ class ExamController extends BaseController {
     let user = await GameUser.getByAccountID(accountid)
     history.desk = user?.loginParams?.length > 0 ? user.loginParams[0] : ''
     if (record.source === 0) {
+      // 系统题目
       if (record.qtypes && record.qtypes.length > 0) {
         params = { $or: [{ tag: { $in: record.qtypes } }, { sub_tag: { $in: record.qtypes } }] }
       }
@@ -48,13 +49,15 @@ class ExamController extends BaseController {
         history.questions.set(_r.id, _r.compactRecord(true))
       }
     } else if (record.source === 1) {
+      // 自定义
       results = record.transQuestion()
       for (let _r of record.questions) {
         history.questions.set(_r._id + '', _r.compactRecord(true))
       }
     } else if (record.source === 2) {
+      // 店铺自定义题库
       if (record.shopCates && record.shopCates.length > 0) {
-        params = { groups: { $in: record.shopCates } }
+        params = { groups: { $in: record.shopCates }, shop }
       }
       let questions = await ShopPuzzle.randomQuestions(params, record.qcount)
       let _results = []
@@ -64,13 +67,14 @@ class ExamController extends BaseController {
       }
       results = _results
     } else if (record.source === 3) {
+      // 混合题库
       const sysCount = ((record.qcount * record.qrate) / 100) | 0
       let questions = await Puzzle.randomQuestions(params, sysCount)
       let _results = transformRecord(questions)
       for (let _r of questions) {
         history.questions.set(_r.id, _r.compactRecord(true))
       }
-      questions = await ShopPuzzle.randomQuestions(params, record.qcount - sysCount)
+      questions = await ShopPuzzle.randomQuestions({ shop }, record.qcount - sysCount)
       for (let _r of questions) {
         history.questions.set(_r.id, _r.compactRecord(true))
         _results.push(_r.compactRecord(false))