diff --git a/include/serial_AT.hpp b/include/serial_AT.hpp
index ffb280a..112b189 100644
--- a/include/serial_AT.hpp
+++ b/include/serial_AT.hpp
@@ -7,14 +7,14 @@ extern std::string IMEI;
 
 struct RadioInfo
 {
-    int rsrp = -999;  // dBm
-    int rsrq = -999;  // dB
-    int sinr = -999;  // dB
+    int pci = -1;    // 物理小区 ID
+    int band = -1;   // LTE/NR Band（如果你要解析可以填）
+    int arfcn = -1;  // 频点号，NR/SA必有字段
+    int rsrp = 0;    // dBm
+    int rsrq = 0;    // dB
+    int sinr = 0;    // dB
 
-    int pci = -1;   // 物理小区 ID
-    int band = -1;  // 频点 Band
-
-    std::string raw;  // 原始 AT 返回内容
+    std::string raw;  // 调试原始串
 };
 
 extern RadioInfo g_radio_info;