diff --git a/proto/src/model.proto b/proto/src/model.proto
new file mode 100644
index 0000000..a8caee5
--- /dev/null
+++ b/proto/src/model.proto
@@ -0,0 +1,97 @@
+syntax = "proto3";
+
+package model;
+
+option go_package = "./model/proto";
+
+message Repository {
+  repeated Turnout turnouts = 1;
+  repeated Signal Signals = 2;
+  repeated Section sections = 3;
+  repeated AxleCounter axleCounters = 4;
+  repeated Responder responders = 5;
+  repeated Slope slopes = 6;
+  repeated Curve curves = 7;
+}
+
+message Turnout {
+  Id id = 1;
+  Kilometer kilometer = 2;
+  Id axleCounterA = 3; //A端关联的计轴
+  Id axleCounterB = 4;
+  Id axleCounterC = 5;
+}
+
+message Signal {
+  Id id = 1;
+  Kilometer kilometer = 2;
+  DevicePort relDevice = 3; //关联的设备，区段或道岔
+}
+
+message Section {
+  Id id = 1;
+  Id axleCounterA = 2; //A端关联的计轴
+  Id axleCounterB = 3; //B端关联的计轴
+  Id turnout = 4; //岔区区段关联的道岔
+}
+
+message AxleCounter{
+  Id id = 1;
+  Kilometer kilometer = 2;
+  bool virtual = 3; //是否虚拟
+}
+
+message Responder {
+  Id id = 1;
+  Kilometer kilometer = 2;
+}
+
+//坡
+message Slope {
+  Id id = 1;
+  repeated Point points = 2;
+  int32 degree = 3; //坡度角的sin * 1000
+}
+
+//曲线
+message Curve {
+ Id id = 1;
+ repeated Point points = 2;
+ int32 radius = 3; //半径 mm
+}
+
+message DevicePort {
+  Id deviceId = 1;
+  Port port = 2;
+}
+
+message Id {
+  string lineId = 1;
+  string stationId = 2;
+  string index = 3;
+}
+
+enum Port {
+  UNKNOWN = 0;
+  A = 1;
+  B = 2;
+  C = 3;
+}
+
+//公里标
+message Kilometer {
+  int64 kilometer = 1;         //公里标mm
+  string coordinateSystem = 2; //坐标系
+  Direction direction = 3;     //左右行
+}
+
+//左右行
+enum Direction {
+  LEFT = 0;
+  RIGHT = 1;
+}
+
+//图中一点
+message Point {
+  repeated Kilometer kilometers = 1;
+}
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