diff --git a/message.proto b/message.proto
new file mode 100644
index 0000000..947c874
--- /dev/null
+++ b/message.proto
@@ -0,0 +1,129 @@
+syntax = "proto3";
+
+import "google/protobuf/any.proto";
+
+// auth验证请求和应答
+
+message AuthRequest {
+    string uuid = 1;
+    string username = 2;
+    string password = 3;
+    string salt = 4;
+    string token = 5;
+    uint32 timestamp = 6;
+}
+
+message AuthReply {
+    uint32 code = 1;
+    string message = 2;
+}
+
+// 创建会话
+message SessionRequest {
+
+}
+
+message SessionReply {
+    bool a = 1;
+}
+
+// 定义单个数据项目
+message Field {
+    uint32 device_uuid = 1;
+    string key = 2;
+    google.protobuf.Any value = 3;
+    int32 unit = 4;
+    string type = 5;
+    int32 timestamp = 6;
+    string name = 7;
+    string label = 8;
+}
+
+// 数据传输
+message Data {
+    string device_uuid = 1;
+    string service_name = 2;
+    int32 at = 3;
+    map<string, string> tags = 4;
+    repeated Field fields = 5;
+}
+
+//#{<<"adcode">> => 0,<<"boot_time">> => 18256077,<<"city">> => <<>>,
+// <<"cpu_core">> => 2,
+// <<"cpu_load">> => 0,<<"cpu_temperature">> => 43.75,
+// <<"disk">> => #{<<"total">> => 7129,<<"used">> => 6074},
+// <<"efka_version">> => <<"1.0.0">>,
+// <<"interfaces">> => [],
+// <<"ips">> => [<<"10.68.152.142/22">>,<<"10.20.1.202/24">>],
+// <<"kernel_arch">> => <<"Linux openeic 4.4.194 #14 SMP PREEMPT Fri Aug 2 11:31:15 CST 2024 aarch64 GNU/Linux\n">>,
+// <<"memory">> => #{<<"total">> => 990,<<"used">> => 80},
+// <<"province">> => <<>>}
+
+// 定义ping消息格式
+
+message Ping {
+    string adcode = 1;
+    uint32 boot_time = 2;
+    string province = 3;
+    string city = 4;
+    string efka_version = 5;
+    string kernel_arch = 6;
+    repeated string ips = 7;
+    // cpu
+    uint32 cpu_core = 8;
+    uint32 cpu_load = 9;
+    float cpu_temperature = 10;
+    // 存储格式为数组: [total, used]
+    repeated int32 disk = 11;
+    repeated int32 memory = 12;
+    // 接口信息的定义: 每个接口的信息, 采用json格式传输，没有办法提前定义
+    repeated string interfaces = 13;
+}
+
+// Inform消息
+
+message Inform {
+    message Service {
+        string name = 1;
+        string props = 2;
+        string version = 3;
+        string version_copy = 4;
+        uint32 status = 5;
+    }
+
+    uint32 at = 1;
+    repeated Service services = 2;
+}
+
+message FeedbackStep {
+    string task_id = 1;
+    uint32 code = 2;
+}
+
+message FeedbackResult {
+    string task_id = 1;
+    string task_type = 2;
+    uint32 time = 3;
+    uint32 code = 4;
+    string reason = 5;
+    string error = 6;
+}
+
+message Event {
+    uint32 event_type = 1;
+    map<string, google.protobuf.Any> params = 2;
+}
+
+message AIEvent {
+    uint32 event_type = 1;
+    map<string, google.protobuf.Any> params = 2;
+}
+
+// 指令
+message Directive {
+   string device_uuid = 1;
+   string version = 2;
+   uint32 directive_type = 3;
+   uint32 timeout = 4;
+   map<string, google.protobuf.Any> directive = 5;
+}
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