diff --git a/protos/request.proto b/protos/request.proto
index 3538f9a..e855613 100644
--- a/protos/request.proto
+++ b/protos/request.proto
@@ -3,6 +3,24 @@ syntax = "proto3";
 package request;
 option go_package = "./dto/request_proto";
 
+// 继电器
+message Relay {
+  // 继电器操作
+  enum Operation {
+    Undefined = 0; // 未定义
+    ForceQw = 1;   // 强制前接点位(吸起)
+    ForceHw = 2;   // 强制后接点位(落下)
+  }
+}
+
+// 继电器操作请求
+message RelayOperationReq {
+  string simulationId = 1;         // 仿真id
+  int32 mapId = 2;                 // 图id
+  uint32 deviceId = 3;             // 设备id
+  Relay.Operation operation = 4;   // 继电器操作
+}
+
 // 道岔
 message Turnout {
   // 道岔操作