diff --git a/sql/mysql/iot.sql b/sql/mysql/iot.sql
index 8e7055f..4fbdbe6 100644
--- a/sql/mysql/iot.sql
+++ b/sql/mysql/iot.sql
@@ -51,32 +51,32 @@ COMMIT;
 DROP TABLE IF EXISTS `iot_device`;
 CREATE TABLE `iot_device`  (
   `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '设备 ID，主键，自增',
-  `device_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '设备唯一标识符，全局唯一，用于识别设备',
-  `device_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '设备名称，在产品内唯一，用于标识设备',
-  `nickname` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备备注名称，供用户自定义备注',
-  `serial_number` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备序列号',
+  `device_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '设备唯一标识符，全局唯一，用于识别设备',
+  `device_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '设备名称，在产品内唯一，用于标识设备',
+  `nickname` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备备注名称，供用户自定义备注',
+  `serial_number` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备序列号',
   `pic_url` varchar(512) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备图片',
   `group_ids` varchar(512) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备分组编号集合',
   `product_id` bigint UNSIGNED NOT NULL COMMENT '产品 ID',
-  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '产品 Key',
+  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '产品 Key',
   `device_type` tinyint UNSIGNED NOT NULL DEFAULT 0 COMMENT '设备类型，参见 IotProductDeviceTypeEnum 枚举',
   `gateway_id` bigint UNSIGNED NULL DEFAULT NULL COMMENT '网关设备 ID，子设备需要关联的网关设备 ID',
   `state` tinyint UNSIGNED NOT NULL DEFAULT 0 COMMENT '设备状态，参见 IotDeviceStateEnum 枚举',
   `online_time` datetime NULL DEFAULT NULL COMMENT '最后上线时间',
   `offline_time` datetime NULL DEFAULT NULL COMMENT '最后离线时间',
   `active_time` datetime NULL DEFAULT NULL COMMENT '设备激活时间',
-  `ip` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备的 IP 地址',
-  `firmware_id` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备的固件编号',
-  `device_secret` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备密钥，用于设备认证，需安全存储',
-  `mqtt_client_id` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT 'MQTT 客户端 ID',
-  `mqtt_username` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT 'MQTT 用户名',
-  `mqtt_password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT 'MQTT 密码',
-  `auth_type` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '认证类型（如一机一密、动态注册）',
+  `ip` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备的 IP 地址',
+  `firmware_id` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备的固件编号',
+  `device_secret` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备密钥，用于设备认证，需安全存储',
+  `mqtt_client_id` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT 'MQTT 客户端 ID',
+  `mqtt_username` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT 'MQTT 用户名',
+  `mqtt_password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT 'MQTT 密码',
+  `auth_type` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '认证类型（如一机一密、动态注册）',
   `latitude` decimal(10, 6) NULL DEFAULT NULL COMMENT '设备位置的纬度',
   `longitude` decimal(10, 6) NULL DEFAULT NULL COMMENT '设备位置的经度',
   `area_id` int UNSIGNED NULL DEFAULT NULL COMMENT '地区编码',
-  `address` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备详细地址',
-  `config` varchar(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '设备配置，JSON 格式',
+  `address` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备详细地址',
+  `config` varchar(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '设备配置，JSON 格式',
   `creator` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT '' COMMENT '创建者',
   `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
   `updater` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT '' COMMENT '更新者',
@@ -88,7 +88,7 @@ CREATE TABLE `iot_device`  (
   UNIQUE INDEX `uniq_device_name_product_id`(`device_name` ASC, `product_id` ASC) USING BTREE,
   INDEX `idx_product_id`(`product_id` ASC) USING BTREE,
   INDEX `idx_gateway_id`(`gateway_id` ASC) USING BTREE
-) ENGINE = InnoDB AUTO_INCREMENT = 30 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = 'IoT 设备表';
+) ENGINE = InnoDB AUTO_INCREMENT = 30 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci COMMENT = 'IoT 设备表';
 
 -- ----------------------------
 -- Records of iot_device
@@ -259,11 +259,11 @@ COMMIT;
 DROP TABLE IF EXISTS `iot_thing_model`;
 CREATE TABLE `iot_thing_model`  (
   `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '物模型功能编号',
-  `identifier` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '功能标识',
-  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '功能名称',
-  `description` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '功能描述',
+  `identifier` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '功能标识',
+  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '功能名称',
+  `description` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '功能描述',
   `product_id` bigint UNSIGNED NOT NULL COMMENT '产品ID（关联 IotProductDO 的 id）',
-  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '产品Key（关联 IotProductDO 的 productKey）',
+  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '产品Key（关联 IotProductDO 的 productKey）',
   `type` tinyint UNSIGNED NOT NULL COMMENT '功能类型（1 - 属性，2 - 服务，3 - 事件）',
   `property` json NULL COMMENT '属性（存储 ThingModelProperty 的 JSON 数据）',
   `event` json NULL COMMENT '事件（存储 ThingModelEvent 的 JSON 数据）',
@@ -277,7 +277,7 @@ CREATE TABLE `iot_thing_model`  (
   PRIMARY KEY (`id`) USING BTREE,
   INDEX `idx_product_id`(`product_id` ASC) USING BTREE,
   INDEX `idx_product_key`(`product_key` ASC) USING BTREE
-) ENGINE = InnoDB AUTO_INCREMENT = 109 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = 'IoT 产品物模型功能表';
+) ENGINE = InnoDB AUTO_INCREMENT = 109 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci COMMENT = 'IoT 产品物模型功能表';
 
 -- ----------------------------
 -- Records of iot_thing_model
@@ -292,11 +292,11 @@ COMMIT;
 DROP TABLE IF EXISTS `iot_think_model_function`;
 CREATE TABLE `iot_think_model_function`  (
   `id` bigint UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '物模型功能编号',
-  `identifier` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '功能标识',
-  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '功能名称',
-  `description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '功能描述',
+  `identifier` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '功能标识',
+  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '功能名称',
+  `description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '功能描述',
   `product_id` bigint UNSIGNED NOT NULL COMMENT '产品ID（关联 IotProductDO 的 id）',
-  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '产品Key（关联 IotProductDO 的 productKey）',
+  `product_key` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '产品Key（关联 IotProductDO 的 productKey）',
   `type` tinyint UNSIGNED NOT NULL COMMENT '功能类型（1 - 属性，2 - 服务，3 - 事件）',
   `property` json NULL COMMENT '属性（存储 ThingModelProperty 的 JSON 数据）',
   `event` json NULL COMMENT '事件（存储 ThingModelEvent 的 JSON 数据）',
@@ -310,7 +310,7 @@ CREATE TABLE `iot_think_model_function`  (
   PRIMARY KEY (`id`) USING BTREE,
   INDEX `idx_product_id`(`product_id` ASC) USING BTREE,
   INDEX `idx_product_key`(`product_key` ASC) USING BTREE
-) ENGINE = InnoDB AUTO_INCREMENT = 22 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = 'IoT 产品物模型功能表';
+) ENGINE = InnoDB AUTO_INCREMENT = 22 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci COMMENT = 'IoT 产品物模型功能表';
 
 -- ----------------------------
 -- Records of iot_think_model_function