bug修改

@@ -79,8 +79,8 @@
       create_time = #{createTime,jdbcType=INTEGER}
     where id = #{id,jdbcType=INTEGER}
   </update>
-  <select id="selectCountByCertNo" resultMap="BaseResultMap" parameterType="java.lang.String" >
-    select case when count(*) is null then 0 else count(*) end from seller_join_history
+  <select id="selectCountByCertNo" resultType="java.lang.Integer" parameterType="java.lang.String" >
+    select case when count(*) is null then 0 else count(*) end as num from seller_join_history
     where cert_no = #{certNo,jdbcType=VARCHAR}
   </select>
 </mapper>
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