diff --git a/react-ui/src/pages/Message/data.d.ts b/react-ui/src/pages/Message/data.d.ts
new file mode 100644
index 0000000..2a537ea
--- /dev/null
+++ b/react-ui/src/pages/Message/data.d.ts
@@ -0,0 +1,63 @@
+// 消息接口
+export interface SysUserMessage {
+    messageId: number;
+    senderId: number;
+    receiverId: number;
+    content: string;
+    createTime: Date;
+    delFlag: string;
+}
+
+// 聊天对象接口
+export interface ChatContact {
+    userId: number;
+    userName: string;
+    avatar?: string;
+    lastMessage: string;
+    lastMessageTime: Date;
+}
+
+// 获取聊天对象列表参数
+export interface ChatContactListParams {
+    pageNum?: number;
+    pageSize?: number;
+    keyword?: string; // 搜索关键词
+}
+
+// 获取聊天记录参数
+export interface ChatHistoryParams {
+    userId: number; // 聊天对象用户ID
+    currentUserId?: number; // 当前用户ID
+    pageNum?: number;
+    pageSize?: number;
+}
+
+// 发送消息参数
+export interface SendMessageParams {
+    receiverId: number;
+    content: string;
+}
+
+// 用户信息接口
+export interface UserInfo {
+    userId: number;
+    userName: string;
+    avatar?: string;
+}
+
+// API 响应基础接口
+export interface ApiResponse<T = any> {
+    code: number;
+    message: string;
+    data: T;
+    success: boolean;
+}
+
+// 分页响应接口
+export interface PageResponse<T = any> {
+    list: T[];
+    total: number;
+    pageNum: number;
+    pageSize: number;
+    pages: number;
+}
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