修复了涂鸦礼物默认选中的问题

xplan-ios/Main/ModuleKit/SendGiftView/View/XPGraffitiGiftView.m

@@ -223,6 +223,7 @@
 }
 #pragma mark - Event Response
 - (void)changeButtonAction{
+	[self clearData];
 	if (self.delegate && [self.delegate respondsToSelector:@selector(xPGraffitiGiftView:didClickChange:)]) {
 		[self.delegate xPGraffitiGiftView:self didClickChange:self.changeButton];
 	}