diff --git a/applications/user_sys.h b/applications/user_sys.h
index d1341d6..c9b09fb 100644
--- a/applications/user_sys.h
+++ b/applications/user_sys.h
@@ -20,7 +20,7 @@
 #define MAX_EXPIRATION_DAYS      (365 * MAX_EXPIRATION_YEARS + 30 * 3U)
 
 #define SYS_HW_VERSION           (0X22U)
-#define SYS_SW_VERSION           (0X17U)
+#define SYS_SW_VERSION           (0X18U)
 #define SYS_IOT_UPLOAD_CYCLE_MIN (0X3C00U) // 高位在前，低位在后
 #define SYS_IOT_RETRY            (0X03U)
 #define SYS_TEMP_ALARM_THRESHOLD (0X30U)