diff --git a/protos/cmvr/api/biohead_command.proto b/protos/cmvr/api/biohead_command.proto
index 98527ce2..50f90655 100644
--- a/protos/cmvr/api/biohead_command.proto
+++ b/protos/cmvr/api/biohead_command.proto
@@ -174,4 +174,22 @@ message EmergencyStop {
   }
 }
 
+message SpeakStart {
+  message Request {
+    CommandHeader.Request header = 1;  // 通用命令头
+  }
 
+  message Feedback {
+    CommandHeader.Feedback header = 1; // 通用反馈头
+  }
+}
+
+message SpeakStop {
+  message Request {
+    CommandHeader.Request header = 1;  // 通用命令头
+  }
+
+  message Feedback {
+    CommandHeader.Feedback header = 1; // 通用反馈头
+  }
+}
diff --git a/protos/cmvr/api/biohead_service.proto b/protos/cmvr/api/biohead_service.proto
index 7ca4d831..07c6b1dd 100644
--- a/protos/cmvr/api/biohead_service.proto
+++ b/protos/cmvr/api/biohead_service.proto
@@ -19,4 +19,9 @@ service BioHeadService {
 
     // 紧急停止
     rpc EmergencyStop(EmergencyStop.Request) returns (EmergencyStop.Feedback){};
+
+    // 开始说话
+    rpc SpeakStart(SpeakStart.Request) returns (SpeakStart.Feedback){};
+    // 停止说话
+    rpc SpeakStop(SpeakStop.Request) returns (SpeakStop.Feedback){};
 }
\ No newline at end of file