diff --git a/applications/data/DATA_comm.c b/applications/data/DATA_comm.c
index b822ada..f76f219 100644
--- a/applications/data/DATA_comm.c
+++ b/applications/data/DATA_comm.c
@@ -124,8 +124,13 @@ void pasre_DAT(const char *api, const char *json_str)
     }
     if (strcmp(api, "SC801") == 0)
     {// 处理 SC801系统信息
+        char systime[18] = {0};  // 初始化为 0
+        rt_snprintf(systime, sizeof(systime),"%d-%d-%d_%d:%d:%d",
+                sys_time[5], sys_time[4], sys_time[3],sys_time[2],sys_time[1], sys_time[0]);
+
         cJSON_AddItemToObject(dat,"SYSTEMP",cJSON_CreateNumber(sys_temperature));
         cJSON_AddItemToObject(dat,"SYSHUM",cJSON_CreateNumber(sys_humidity));
+        cJSON_AddItemToObject(dat,"SYSTIME",cJSON_CreateString(systime));
     }
     else if (strcmp(api, "SC810") == 0)
     {