diff --git a/src/main/resources/mapper/course/CourseDao.xml b/src/main/resources/mapper/course/CourseDao.xml
index cc786738..98d4f032 100644
--- a/src/main/resources/mapper/course/CourseDao.xml
+++ b/src/main/resources/mapper/course/CourseDao.xml
@@ -39,7 +39,7 @@
         c.dy_show as dyShow,
         c.sort,
         round(10000*rand(),0) as goodNum,
-        (select count(*) from course_details d where d.course_id=c.course_id ) as courseDetailsCount,
+        d.courseDetailsCount,
         null AS courseDetailsName,
         null AS courseDetailsId,
         round(10000*rand(),0) as weekGoodNum,
@@ -48,6 +48,7 @@
         course AS c
         LEFT JOIN course_classification AS cc ON c.classify_id = cc.classification_id
         left join banner as b on b.id=c.banner_id
+        left join (select course_id,count(*) as courseDetailsCount from course_details group by course_id) d.course_id = c.course_id
         WHERE
         1 = 1
         AND c.is_delete = 0
@@ -130,7 +131,7 @@
         c.course_type as courseType,
         c.banner_id as bannerId,
         b.name as bannerName,
-        (select sum(cd.view_count) from course_details cd where cd.course_id = c.course_id ) as viewCounts,
+        d.viewCounts,
         c.dy_img_id as dyImgId,
         c.dy_course_id as dyCourseId,
         c.dy_status as dyStatus,
@@ -153,24 +154,26 @@
         c.`cost_distribution_uri` as costDistributionUri,
         c.`assurance_uri` as assuranceUri,
         c.`playlet_production_cost` as playletProductionCost,
-
         c.`qualification_type` as qualificationType,
         c.`registration_number` as registrationNumber,
         c.`qualification_certificate_material_id` as qualificationCertificateMaterialId,
         c.`cost_of_production` as costOfProduction,
         c.`cost_commitment_letter_material_id` as costCommitmentLetterMaterialId,
         c.`wx_course_status` as wxCourseStatus,
-
-        (select count(*) from course_details where dy_url_status in (1,3) or dy_url_status=null) as dyUrlStatus,
-        (select sum(o.pay_money) from orders o where o.course_id=c.course_id and o.status=1) as payMoney,
-        (select sum(good_num) from course_details d where d.course_id=c.course_id ) as goodNum,
-        (select count(*) from course_details d where d.course_id=c.course_id ) as courseDetailsCount,
+        t.dyUrlStatus,
+        o.payMoney,
+        d.goodNum,
+        d.courseDetailsCount,
         0 as weekGoodNum,
-        (select count(*) from course_details cd where c.course_id=cd.course_id and cd.good=1 ) as isRecommend
+        tt.isRecommend
         FROM
         course AS c
         LEFT JOIN course_classification AS cc ON c.classify_id = cc.classification_id
         left join banner as b on b.id=c.banner_id
+        left join (select 1 as id,count(*) as dyUrlStatus from course_details where dy_url_status in (1,3) or dy_url_status=null group by course_id) t on t.id = 1
+        left join (select course_id,sum(pay_money) as payMoney from orders where status=1 group by course_id) o on o.course_id = c.course_id
+        left join (select course_id,sum(view_count) as viewCounts,sum(good_num) as goodNum,count(*) as courseDetailsCount from course_details group by course_id) d on d.course_id = c.course_id
+        left join (select course_id,count(*) as isRecommend from course_details where good=1 group by course_id) tt on tt.course_id = c.course_id
         WHERE
         1 = 1
         AND c.is_delete = 0
@@ -219,8 +222,6 @@
         <if test="dyCourse!=null">
             and c.dy_status=4
         </if>
-        order by c.sort asc,c.create_time desc
-        <!--
         <if test="sort==null">
             order by c.sort asc,c.create_time desc
         </if>
@@ -230,7 +231,6 @@
         <if test="sort!=null and sort==2">
             order by weekGoodNum desc
         </if>
-        -->
     </select>
 
     <select id="selectCourseTitle" resultType="Map">
diff --git a/src/main/resources/mapper/course/CourseDetailsDao.xml b/src/main/resources/mapper/course/CourseDetailsDao.xml
index 2742c281..0656624c 100644
--- a/src/main/resources/mapper/course/CourseDetailsDao.xml
+++ b/src/main/resources/mapper/course/CourseDetailsDao.xml
@@ -5,8 +5,10 @@
     <!--查找指定短剧的目录  按照顺序数字升序-->
     <select id="findByCourseId" resultType="com.sqx.modules.course.entity.CourseDetails">
         select c.*,
-               (select count(*) from course_collect cc where cc.user_id=#{userId} and cc.course_details_id=c.course_details_id and cc.classify=2) as isGood
-        from course_details c where c.course_id=#{id}  order by c.sort asc
+               cc.isGood
+        from course_details c
+        left join (select course_details_id,count(*) isGood from course_collect where user_id=#{userId} and classify=2 group by course_details_id) cc on c.course_details_id = c.course_details_id
+        where c.course_id=#{id}  order by c.sort asc
     </select>
 
     <select id="selectCoursePageByCourseId" resultType="com.sqx.modules.course.entity.CourseDetails">
@@ -21,15 +23,23 @@
     </select>
 
     <select id="findByCourseIdNotUrl" resultType="com.sqx.modules.course.entity.CourseDetails">
-        select c.course_details_id as courseDetailsId,c.course_id as courseId,c.wx_course_details_id as wxCourseDetailsId,
-               c.course_details_name as courseDetailsName,c.create_time as createTime,
-               c.title_img as titleImg,c.content,c.good_num as goodNum,c.price,
+        select c.course_details_id as courseDetailsId,
+               c.course_id as courseId,
+               c.wx_course_details_id as wxCourseDetailsId,
+               c.course_details_name as courseDetailsName,
+               c.create_time as createTime,
+               c.title_img as titleImg,
+               c.content,
+               c.good_num as goodNum,
+               c.price,
                if(c.is_price!=1,c.video_url,'') as videoUrl,
-               c.dy_episode_id as dyEpisodeId,c.advertising,
+               c.dy_episode_id as dyEpisodeId,
+               c.advertising,
                c.view_count as viewCount,
                c.play_complete_count as playCompleteCount,
-               (select count(*) from course_collect cc where cc.user_id=#{userId} and cc.course_details_id=c.course_details_id and cc.classify=2) as isGood
+               cc.isGood
         from course_details c
+        left join (select course_details_id,count(*) as isGood from course_collect where user_id=#{userId} and classify=2 group by course_details_id) cc on cc.course_details_id = c.course_details_id
         where c.course_id=#{id}  order by c.sort asc
     </select>