diff --git a/src/driver/drv_freeze.c b/src/driver/drv_freeze.c
index 3875bc79f..efa56d842 100644
--- a/src/driver/drv_freeze.c
+++ b/src/driver/drv_freeze.c
@@ -7,10 +7,8 @@ void Freeze_OnEverySecond() {
 	}
 }
 void Freeze_RunFrame() {
-	while (1) {
-		// freeze
-	}
+	//don't freeze, seems this does not allow watchdog reset to work on BL602
 }
 void Freeze_Init() {
 	// don't freeze
-}
\ No newline at end of file
+}