-prevent a crash when user is disconnect
-prevent a crash when user is disconnect

ofilangi/askomics,xgaia/askomics,xgaia/askomics,askomics/askomics,ofilangi/askomics,xgaia/askomics,xgaia/askomics,ofilangi/askomics,askomics/askomics,ofilangi/askomics,askomics/askomics,askomics/askomics