diff --git a/src/perception/rtk_asensing/include/rtk_asensing/asensing_protocol.hpp b/src/perception/rtk_asensing/include/rtk_asensing/asensing_protocol.hpp
index b08cf53..0a10a9d 100644
--- a/src/perception/rtk_asensing/include/rtk_asensing/asensing_protocol.hpp
+++ b/src/perception/rtk_asensing/include/rtk_asensing/asensing_protocol.hpp
@@ -44,6 +44,7 @@ struct AsensingInsData
     uint8_t check1;           // 偏移57: 校验位1 (异或校验，包含0-57的数据)
 
     // 解析后的轮循数据
+    uint32_t gps_week;        // GPS周数
     double gps_time_ms;       // GPS时间（毫秒）
     double temperature;       // 温度 (℃)
     uint8_t position_type;    // 定位状态