优化下载皮肤❤️

CustomKeyboard/KeyboardViewController.m

@@ -589,6 +589,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 - (void)kb_applyTheme {
     KBSkinTheme *t = [KBSkinManager shared].current;
     UIImage *img = [[KBSkinManager shared] currentBackgroundImage];
+    NSLog(@"⌨️[Keyboard] apply theme id=%@ hasBg=%d", t.skinId, (img != nil));
     self.bgImageView.image = img;
     BOOL hasImg = (img != nil);
     self.view.backgroundColor = hasImg ? [UIColor clearColor] : t.keyboardBackground;