修改查询语句

src/main/resources/mapper/CategoryMapper.xml

@@ -2,8 +2,8 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="cn.celess.blog.mapper.CategoryMapper">
     <resultMap id="categoryResultMap" type="cn.celess.blog.entity.Category">
-        <id column="c_id" property="id"/>
-        <result column="c_name" property="name"/>
+        <id column="t_id" property="id"/>
+        <result column="t_name" property="name"/>
     </resultMap>
 
     <insert id="insert">