no necessary to update code

@@ -65,9 +65,6 @@
     <update id="updateByPrimaryKey" parameterType="com.yoho.order.model.MetaConfig">
         update meta_config
         <set>
-            <if test="code != null and code != ''">
-                code = #{code,jdbcType=VARCHAR},
-            </if>
             <if test="title != null and title != ''">
                 title = #{title,jdbcType=VARCHAR},
             </if>