diff --git a/src/addon/aikefu/data/install.sql b/src/addon/aikefu/data/install.sql
index aed564972..3167b610f 100644
--- a/src/addon/aikefu/data/install.sql
+++ b/src/addon/aikefu/data/install.sql
@@ -16,7 +16,7 @@ CREATE TABLE IF NOT EXISTS `lucky_aikefu_conversation` (
   KEY `site_id` (`site_id`),
   KEY `user_id` (`user_id`),
   KEY `conversation_id` (`conversation_id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4_unicode_ci COMMENT='智能客服会话表';
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='智能客服会话表';
 
 -- 创建智能客服消息表
 CREATE TABLE IF NOT EXISTS `lucky_aikefu_message` (
@@ -33,10 +33,4 @@ CREATE TABLE IF NOT EXISTS `lucky_aikefu_message` (
   KEY `user_id` (`user_id`),
   KEY `conversation_id` (`conversation_id`),
   KEY `message_id` (`message_id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4_unicode_ci COMMENT='智能客服消息表';
-
--- 修改表字符集，utf8mb4_unicode_ci， 兼容emoji表情
-
-ALTER TABLE lucky_aikefu_message MODIFY content TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
-ALTER TABLE lucky_aikefu_conversation CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
-ALTER TABLE lucky_aikefu_message CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
\ No newline at end of file
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='智能客服消息表';
\ No newline at end of file
diff --git a/upgrade.sql b/upgrade.sql
index 41ce702f6..935db124b 100644
--- a/upgrade.sql
+++ b/upgrade.sql
@@ -71,3 +71,45 @@ INSERT INTO `lucky_addon` (`name`, `type`, `icon`, `title`, `description`, `stat
 
 -- 智能客服插件菜单
 INSERT INTO `lucky_menu` (`app_module`, `addon`, `title`, `name`, `parent`, `level`, `url`, `is_show`, `sort`, `desc`, `is_icon`, `picture`, `picture_select`, `is_control`, `type`) VALUES ('shop', '', '智能客服', 'CONFIG_BASE_AIKEFU', 'CONFIG_BASE', 3, 'aikefu://shop/kefu/config', 1, 88, '', 0, '', '', 1, 'page');
+
+
+--- 智能客服插件数据库字符集升级
+-- 创建智能客服会话表
+CREATE TABLE IF NOT EXISTS `lucky_aikefu_conversation` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `site_id` int(11) NOT NULL COMMENT '站点ID',
+  `user_id` varchar(50) NOT NULL COMMENT '用户ID',
+  `conversation_id` varchar(100) NOT NULL COMMENT 'Dify会话ID',
+  `name` varchar(255) NOT NULL COMMENT '会话名称',
+  `status` tinyint(1) NOT NULL DEFAULT 1 COMMENT '状态：1活跃，0结束',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  PRIMARY KEY (`id`),
+  KEY `site_id` (`site_id`),
+  KEY `user_id` (`user_id`),
+  KEY `conversation_id` (`conversation_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='智能客服会话表';
+
+-- 创建智能客服消息表
+CREATE TABLE IF NOT EXISTS `lucky_aikefu_message` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `site_id` int(11) NOT NULL COMMENT '站点ID',
+  `user_id` varchar(50) NOT NULL COMMENT '用户ID',
+  `conversation_id` varchar(100) NOT NULL COMMENT '会话ID',
+  `message_id` varchar(100) NOT NULL COMMENT '消息ID',
+  `role` varchar(20) NOT NULL COMMENT '角色：user用户，assistant助手',
+  `content` text NOT NULL COMMENT '消息内容',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  PRIMARY KEY (`id`),
+  KEY `site_id` (`site_id`),
+  KEY `user_id` (`user_id`),
+  KEY `conversation_id` (`conversation_id`),
+  KEY `message_id` (`message_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='智能客服消息表';
+
+-- 修改数据库字符集
+ALTER DATABASE shop_mallnew CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;
+
+-- 修改表字符集
+ALTER TABLE lucky_aikefu_conversation CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+ALTER TABLE lucky_aikefu_message CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
\ No newline at end of file