优化glmessageview阴影部分显示

GeliBusinessPlatform/View/AlertView/GLMessageAlertView.swift

@@ -64,7 +64,8 @@ class GLMessageAlertView: UIView,UITableViewDelegate,UITableViewDataSource {
         contentView = loadViewFromNib()
         addSubview(contentView)
         contentView.snp.makeConstraints { (make) in
-            make.left.top.right.bottom.equalToSuperview()
+            make.top.equalTo(NavCGRect.height)
+            make.left.right.bottom.equalToSuperview()
         }
         setUI()
     }