fix: avoid crashing abby checking for finishing activity properly
fix: avoid crashing abby checking for finishing activity properly

hujiaweibujidao/textfairy,hujiaweibujidao/textfairy,renard314/textfairy,renard314/textfairy,hujiaweibujidao/textfairy,renard314/textfairy,hujiaweibujidao/textfairy,renard314/textfairy,renard314/textfairy,renard314/textfairy,hujiaweibujidao/textfairy,renard314/textfairy,renard314/textfairy