crm 人员优化 备注永远覆盖

server/src/main/resources/mybatis/AccountMapper.xml

@@ -307,6 +307,9 @@
             <if test="comment != null">
                 comment = #{comment,jdbcType=VARCHAR},
             </if>
+            <if test="comment == null">
+                comment = null,
+            </if>
             <if test="registerType != null">
                 register_type = #{registerType,jdbcType=INTEGER},
             </if>