diff --git a/applications/PLC_link.c b/applications/PLC_link.c
index 5c9f1a1..98a59c5 100644
--- a/applications/PLC_link.c
+++ b/applications/PLC_link.c
@@ -27,8 +27,6 @@ static const mb_backend_param_t mb_bkd_prm = {
     .rtu.lvl = 0            //控制发送电平
 };
 
-extern rt_int32_t sys_temperature;
-extern rt_int32_t sys_humidity;
 extern unsigned char sys_time[6];
 
 static void mb_plc_read_regs(mb_inst_t *hinst)
@@ -40,14 +38,6 @@ static void mb_plc_read_regs(mb_inst_t *hinst)
     }
 
     u16 regs[64];
-
-    regs[0]=sys_temperature;//系统温度
-    regs[1]=sys_humidity;//系统湿度
-    for(int8_t i=0;i<=5;i++)//系统时间
-    {
-        regs[i+2] = sys_time[i];
-    }
-
     int addr = 7000;
     int nb = 10;
     int total = mb_write_regs(hinst, addr, nb, regs);
diff --git a/applications/data/DATA_comm.c b/applications/data/DATA_comm.c
index f6a47e0..b822ada 100644
--- a/applications/data/DATA_comm.c
+++ b/applications/data/DATA_comm.c
@@ -122,6 +122,11 @@ void pasre_DAT(const char *api, const char *json_str)
         cJSON_AddItemToObject(dat,"SYSKEY",cJSON_CreateString(machine_ID));
         cJSON_AddItemToObject(dat,"Groups",cJSON_CreateString(machine_ID));
     }
+    if (strcmp(api, "SC801") == 0)
+    {// 处理 SC801系统信息
+        cJSON_AddItemToObject(dat,"SYSTEMP",cJSON_CreateNumber(sys_temperature));
+        cJSON_AddItemToObject(dat,"SYSHUM",cJSON_CreateNumber(sys_humidity));
+    }
     else if (strcmp(api, "SC810") == 0)
     {
         char Work_[25];
diff --git a/applications/data/Variable.h b/applications/data/Variable.h
index ddbb2f9..1c2c163 100644
--- a/applications/data/Variable.h
+++ b/applications/data/Variable.h
@@ -3,6 +3,11 @@
 
 #include "stdbool.h"
 
+//系统信息变量
+extern rt_int32_t sys_temperature;//主机环境温度
+extern rt_int32_t sys_humidity;//主机环境湿度
+extern unsigned char sys_time[6];//系统时间
+extern unsigned int sys_run_time;//运行时间
 // ===== 字符串变量 =====
 extern char *DATA_dat;
 extern char DATA_machins[3];
diff --git a/applications/drv/drv_aht20.c b/applications/drv/drv_aht20.c
index 5b2fc5c..b81781b 100644
--- a/applications/drv/drv_aht20.c
+++ b/applications/drv/drv_aht20.c
@@ -166,7 +166,7 @@ static void aht20_thread_entry(void *parameter)
 
         aht20_parse_data(raw_data, &sys_temperature, &sys_humidity);
 
-        rt_thread_mdelay(5000); // 每 2 秒读取一次
+        rt_thread_mdelay(2000); // 每 2 秒读取一次
     }
 }