给button增加点击事件时这个地方也加上了 UIControlEventTouchUpOutside 这个

self.typeButton = [UIButtonbuttonWithType:UIButtonTypeCustom];
        self.typeButton.frame =self.bounds;
        self.typeButton.showsTouchWhenHighlighted =YES;
        self.typeButton.titleLabel.textAlignment =GNTextAlignmentCenter;
        UIColor* color = [UIColorcolorWithRed:136.f/255.fgreen:90.f/255.fblue:31.f/255.falpha:1.0f];
        [self.typeButtonsetTitleColor:color
forState:UIControlStateNormal];
        self.typeButton.titleLabel.font = [UIFontsystemFontOfSize:10.0f];
        self.typeButton.titleLabel.textAlignment =GNTextAlignmentCenter;
        [self.typeButtonsetTitleEdgeInsets:UIEdgeInsetsMake(25.0f,
-19.0f,10.0f,0.0f)];
        [self.typeButtonsetImageEdgeInsets:UIEdgeInsetsMake(4.0f,12.0f,
20.0f,12.0f)];
        [self.typeButtonaddTarget:self
action:@selector(handleLandTipSelected:)
                  forControlEvents:UIControlEventTouchUpInside|UIControlEventTouchUpOutside];
        [self addSubview:self.typeButton];

PS：查了下资料，UIControlEventTouchUpOutside 这个貌似是点击button后不放开，然后拖动到外面，接着才放开的事件