diff --git a/code/application/source/sf_app/code/source/4gMng/sf_sms.c b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
index e2ce19f81..273567ffb 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_sms.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
@@ -2736,9 +2736,15 @@ SINT32 sf_power_off_check_sd(void)
         }
         else
         {
-            if(puiPara->SdFailCount)
+            if((!sf_in_card_exist()) || (SDstoreattrs.SDFree < 30))
             {
-                puiPara->SdFailCount = 0;
+                if((startup == SF_MCU_STARTUP_TIMELAPSE) || (startup == SF_MCU_STARTUP_PIR) || (startup == SF_MCU_STARTUP_BATCH_SEND))
+                {
+                    puiPara->SdFailCount++;
+                }
+                else {
+                    puiPara->SdFailCount = 0;
+                }
                 sf_sleep_ms(100);
             }
         }