diff --git a/im-platform/update.sql b/im-platform/update.sql
new file mode 100644
index 0000000..79bcb53
--- /dev/null
+++ b/im-platform/update.sql
@@ -0,0 +1,22 @@
+#2026.4.7
+CREATE TABLE quick_replies (
+       id INT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+       title VARCHAR(100) NOT NULL COMMENT '快捷回复标题/关键词',
+       content TEXT NOT NULL COMMENT '回复内容',
+       is_active BOOLEAN DEFAULT TRUE COMMENT '是否启用',
+       created_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+       updated_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+       INDEX idx_category (category),
+       INDEX idx_user_id (user_id),
+       INDEX idx_shortcut_key (shortcut_key)
+) COMMENT='快捷回复表';
+
+#2026.4.7
+CREATE TABLE welcome_messages (
+      id INT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+      message TEXT NOT NULL COMMENT '欢迎语内容',
+      language VARCHAR(10) DEFAULT 'zh-CN' COMMENT '语言代码',
+      is_active BOOLEAN DEFAULT TRUE COMMENT '是否启用',
+      created_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+      update_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间'
+) COMMENT='欢迎语表';
\ No newline at end of file