diff --git a/reboot_temperature.c b/reboot_temperature.c
index 5f469dd..51daef8 100644
--- a/reboot_temperature.c
+++ b/reboot_temperature.c
@@ -46,7 +46,7 @@ static int error_log(float l_t, int c_t, char *log_file, char *recv_mail, int _i
             fp = NULL;
         } else {
             // 正常温度时
-            if (tmp_ptr->tm_min >= 10 && tmp_ptr->tm_min <= 12) {
+            if (tmp_ptr->tm_min >= 10 && tmp_ptr->tm_min < 12) {
                 sprintf(temperature, "%d.%d.%d %d:%d:%d %s:%.3f℃\n", (1900 + tmp_ptr->tm_year), (1 + tmp_ptr->tm_mon), tmp_ptr->tm_mday, tmp_ptr->tm_hour, tmp_ptr->tm_min, tmp_ptr->tm_sec, "Raspberry CPU temperature", l_t);
                 sprintf(buffer, "email -r %s -s \"Raspberrypi Temperature\" -t \"%s\"", recv_mail, temperature);
                 fp = popen(buffer, "r");