fix 课程绑定

zhongzheng-system/src/main/resources/mapper/modules/course/CourseMapper.xml

@@ -664,8 +664,8 @@
         SELECT
             count(*)
         FROM
-            goods_course gc
-                LEFT JOIN user_period up ON gc.goods_id = up.goods_id
+            user_period up
+                LEFT JOIN goods_course gc ON gc.goods_id = up.goods_id
         WHERE
             gc.course_id = #{courseId}
     </select>