修改错误xml

ruoyi-system/src/main/resources/mapper/system/PoIssuerMapper.xml

@@ -84,8 +84,8 @@
             <if test="updateBy != null">update_by = #{updateBy},</if>
             <if test="remark != null">remark = #{remark},</if>
             <if test="delFlag != null">del_flag = #{delFlag},</if>
-            <if test="email != null">#email = {email},</if>
-            <if test="headPortrait != null">#head_portrait = {headPortrait},</if>
+            <if test="email != null">email = #{email},</if>
+            <if test="headPortrait != null">head_portrait = #{headPortrait},</if>
         </trim>
         where issuer_id = #{issuerId}
     </update>