体验人数，直接查student表

mec-biz/src/main/resources/config/mybatis/StudentMapper.xml

@@ -243,16 +243,16 @@
             <if test='hasVip != null and hasVip=="0"'>
                 AND (a.vip_times_ =0 OR a.vip_times_ IS NULL)
             </if>
-            <if test='HasFreePractice != null and HasFreePractice=="1"'>
+            <if test='hasFreePractice != null and hasFreePractice=="1"'>
                 AND p.free_practice_times_ >=1
             </if>
-            <if test='HasFreePractice != null and HasFreePractice=="0"'>
+            <if test='hasFreePractice != null and hasFreePractice=="0"'>
                 AND (p.free_practice_times_ =0 OR p.free_practice_times_ IS NULL)
             </if>
-            <if test='HasBuyPractice != null and HasBuyPractice=="1"'>
+            <if test='hasBuyPractice != null and hasBuyPractice=="1"'>
                 AND a.buy_practice_times_ >=1
             </if>
-            <if test='HasBuyPractice != null and HasBuyPractice=="0"'>
+            <if test='hasBuyPractice != null and hasBuyPractice=="0"'>
                 AND (a.buy_practice_times_ =0 OR a.buy_practice_times_ IS NULL)
             </if>
         </where>