调整积分中心nav头部

galaxy/galaxy/Classes/Modules/Mine（我的）/C/YHMemberCenterViewController.swift

@@ -88,7 +88,7 @@ class YHMemberCenterViewController: YHBaseViewController {
 
     private func setupUI() {
         gk_navBarAlpha = 0
-        gk_navigationBar.backgroundColor = .clear
+        gk_navBackgroundColor = .clear
         view.backgroundColor = UIColor.contentBkgColor
         view.addSubview(bgIcon)
         view.addSubview(tableView)
@@ -504,4 +504,22 @@ extension YHMemberCenterViewController: UITableViewDelegate, UITableViewDataSour
         let view = UIView()
         return view
     }
+    
+    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+        if scrollView.contentOffset.y > 0 {
+            var alpha =  scrollView.contentOffset.y / (k_Height_NavigationtBarAndStatuBar)
+            if alpha > 1.0 {
+                alpha = 1.0
+            }
+            gk_navBarAlpha = alpha
+            gk_navBackgroundColor = .white
+            gk_navTitle = "银河会员中心"
+            bgIcon.isHidden = true
+        } else {
+            bgIcon.isHidden = false
+            gk_navBarAlpha = 0.0
+            gk_navBackgroundColor = .clear
+            gk_navTitle = nil
+        }
+    }
 }