diff --git a/armor/src/armor_finder/send_target/send_target.cpp b/armor/src/armor_finder/send_target/send_target.cpp
index 8e70e97..167d587 100644
--- a/armor/src/armor_finder/send_target/send_target.cpp
+++ b/armor/src/armor_finder/send_target/send_target.cpp
@@ -33,7 +33,7 @@ static bool sendTarget(Serial &serial, double yaw, uint16_t shoot_delay, bool fi
     buff[2] = static_cast<char>((yaw_tmp >> 0) & 0xFF);
     buff[3] = static_cast<char>((shoot_delay >> 8) & 0xFF);
     buff[4] = static_cast<char>((shoot_delay >> 0) & 0xFF);
-    buff[5] = fire ? 1 : 0;
+    buff[5] = fire ? 1 : 0;    // 1为开火 0为闭嘴
     buff[6] = 'e';
     return serial.WriteData(buff, sizeof(buff));
 }