diff --git a/xplan-ios.xcodeproj/project.pbxproj b/xplan-ios.xcodeproj/project.pbxproj
index 27af0920..67f2e85a 100644
--- a/xplan-ios.xcodeproj/project.pbxproj
+++ b/xplan-ios.xcodeproj/project.pbxproj
@@ -1174,6 +1174,7 @@
 		E8F9168727EC927C00F10D8F /* XPHomeLittleGamePesenter.m in Sources */ = {isa = PBXBuildFile; fileRef = E8F9168627EC927C00F10D8F /* XPHomeLittleGamePesenter.m */; };
 		E8F9168B27EC940E00F10D8F /* XPHomeLittleGameTableViewCell.m in Sources */ = {isa = PBXBuildFile; fileRef = E8F9168A27EC940E00F10D8F /* XPHomeLittleGameTableViewCell.m */; };
 		E8F9168E27ECA69500F10D8F /* HomeLittleGameRoomModel.m in Sources */ = {isa = PBXBuildFile; fileRef = E8F9168D27ECA69500F10D8F /* HomeLittleGameRoomModel.m */; };
+		F1152AC928E49A71007CB09A /* app_launch_screen01.png in Resources */ = {isa = PBXBuildFile; fileRef = F1152AC828E49A71007CB09A /* app_launch_screen01.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -3372,6 +3373,7 @@
 		E8F9168A27EC940E00F10D8F /* XPHomeLittleGameTableViewCell.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = XPHomeLittleGameTableViewCell.m; sourceTree = "<group>"; };
 		E8F9168C27ECA69500F10D8F /* HomeLittleGameRoomModel.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HomeLittleGameRoomModel.h; sourceTree = "<group>"; };
 		E8F9168D27ECA69500F10D8F /* HomeLittleGameRoomModel.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HomeLittleGameRoomModel.m; sourceTree = "<group>"; };
+		F1152AC828E49A71007CB09A /* app_launch_screen01.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = app_launch_screen01.png; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -3618,6 +3620,7 @@
 				189DD56126DE45F800AB55B1 /* Main */,
 				E81C27AF26EF39B00031E639 /* AppDelegate */,
 				189DD53826DE255600AB55B1 /* Assets.xcassets */,
+				F1152AC828E49A71007CB09A /* app_launch_screen01.png */,
 				E8937ACE276C99C300B2C7E1 /* Launch Screen.storyboard */,
 				189DD53D26DE255600AB55B1 /* Info.plist */,
 				189DD53E26DE255600AB55B1 /* main.m */,
@@ -8602,6 +8605,7 @@
 				E8937AC7276C3EDE00B2C7E1 /* svga_member_in_lv40.svga in Resources */,
 				E80EC85528ACD84000D133C5 /* emoji_118@2x.png in Resources */,
 				E80EC8B728ACD84100D133C5 /* emoji_119@2x.png in Resources */,
+				F1152AC928E49A71007CB09A /* app_launch_screen01.png in Resources */,
 				E80EC86228ACD84000D133C5 /* emoji_22@2x.png in Resources */,
 				E8A1E461276220DA00B294CA /* candyTree.svga in Resources */,
 				E80EC82528ACD84000D133C5 /* emoji_61@2x.png in Resources */,
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/1024_1024.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/1024_1024.png
new file mode 100644
index 00000000..425ac056
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/1024_1024.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt 1.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt 1.png
deleted file mode 100644
index 7f5fab45..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt 1.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt.png
deleted file mode 100644
index 7f5fab45..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/120pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/180pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/180pt.png
deleted file mode 100644
index b619ba12..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/180pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@2x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@2x.png
new file mode 100644
index 00000000..dace91f6
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@3x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@3x.png
new file mode 100644
index 00000000..4cadf1a1
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/20pt@3x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt.png
deleted file mode 100644
index 8963dcab..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@2x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@2x.png
new file mode 100644
index 00000000..7761b8fe
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@3x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@3x.png
new file mode 100644
index 00000000..1e6b0792
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/29pt@3x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt.png
deleted file mode 100644
index a53add1f..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@2x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@2x.png
new file mode 100644
index 00000000..3f6d9cfe
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@3x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@3x.png
new file mode 100644
index 00000000..831547c1
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/40pt@3x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/58pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/58pt.png
deleted file mode 100644
index 4a2b8a44..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/58pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt.png
deleted file mode 100644
index ef096a4b..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@2x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@2x.png
new file mode 100644
index 00000000..831547c1
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@3x.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@3x.png
new file mode 100644
index 00000000..d36bfe55
Binary files /dev/null and b/xplan-ios/Assets.xcassets/AppIcon.appiconset/60pt@3x.png differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/80pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/80pt.png
deleted file mode 100644
index c6aeccd4..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/80pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/87pt.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/87pt.png
deleted file mode 100644
index efa890ab..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/87pt.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/APP Store 1024_1024.png b/xplan-ios/Assets.xcassets/AppIcon.appiconset/APP Store 1024_1024.png
deleted file mode 100644
index 47a4b577..00000000
Binary files a/xplan-ios/Assets.xcassets/AppIcon.appiconset/APP Store 1024_1024.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/AppIcon.appiconset/Contents.json b/xplan-ios/Assets.xcassets/AppIcon.appiconset/Contents.json
index 3185b43a..e08d22c8 100644
--- a/xplan-ios/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/xplan-ios/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -1,71 +1,55 @@
 {
   "images" : [
     {
-      "filename" : "40pt.png",
+      "filename" : "20pt@2x.png",
       "idiom" : "iphone",
       "scale" : "2x",
       "size" : "20x20"
     },
     {
-      "filename" : "60pt.png",
+      "filename" : "20pt@3x.png",
       "idiom" : "iphone",
       "scale" : "3x",
       "size" : "20x20"
     },
     {
-      "filename" : "29pt.png",
-      "idiom" : "iphone",
-      "scale" : "1x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "58pt.png",
+      "filename" : "29pt@2x.png",
       "idiom" : "iphone",
       "scale" : "2x",
       "size" : "29x29"
     },
     {
-      "filename" : "87pt.png",
+      "filename" : "29pt@3x.png",
       "idiom" : "iphone",
       "scale" : "3x",
       "size" : "29x29"
     },
     {
-      "filename" : "80pt.png",
+      "filename" : "40pt@2x.png",
       "idiom" : "iphone",
       "scale" : "2x",
       "size" : "40x40"
     },
     {
-      "filename" : "120pt.png",
+      "filename" : "40pt@3x.png",
       "idiom" : "iphone",
       "scale" : "3x",
       "size" : "40x40"
     },
     {
-      "idiom" : "iphone",
-      "scale" : "1x",
-      "size" : "57x57"
-    },
-    {
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "57x57"
-    },
-    {
-      "filename" : "120pt 1.png",
+      "filename" : "60pt@2x.png",
       "idiom" : "iphone",
       "scale" : "2x",
       "size" : "60x60"
     },
     {
-      "filename" : "180pt.png",
+      "filename" : "60pt@3x.png",
       "idiom" : "iphone",
       "scale" : "3x",
       "size" : "60x60"
     },
     {
-      "filename" : "APP Store 1024_1024.png",
+      "filename" : "1024_1024.png",
       "idiom" : "ios-marketing",
       "scale" : "1x",
       "size" : "1024x1024"
diff --git a/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/Contents.json b/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/Contents.json
index 228a4829..bcd123e8 100644
--- a/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/Contents.json
+++ b/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/Contents.json
@@ -5,7 +5,7 @@
       "scale" : "1x"
     },
     {
-      "filename" : "common_avatar@2x.jpg",
+      "filename" : "common_avatar@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
diff --git a/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.jpg b/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.jpg
deleted file mode 100644
index eaa56e5a..00000000
Binary files a/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.jpg and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.png b/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.png
new file mode 100644
index 00000000..a3f704b0
Binary files /dev/null and b/xplan-ios/Assets.xcassets/Common/common_avatar.imageset/common_avatar@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@2x.png b/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@2x.png
index 40babc72..7edea0a2 100644
Binary files a/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@2x.png and b/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@3x.png b/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@3x.png
index f3e4ff05..a085ebb3 100644
Binary files a/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@3x.png and b/xplan-ios/Assets.xcassets/Common/common_empty_avatar.imageset/common_empty_avatar@3x.png differ
diff --git a/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/Contents.json b/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/Contents.json
index 809f8e41..6c80589f 100644
--- a/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/Contents.json
+++ b/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/Contents.json
@@ -5,7 +5,7 @@
       "scale" : "1x"
     },
     {
-      "filename" : "login_appIcon@2x.jpg",
+      "filename" : "login_appIcon@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
diff --git a/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.jpg b/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.jpg
deleted file mode 100644
index eaa56e5a..00000000
Binary files a/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.jpg and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.png b/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.png
new file mode 100644
index 00000000..a3f704b0
Binary files /dev/null and b/xplan-ios/Assets.xcassets/Login/login_appIcon.imageset/login_appIcon@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/Contents.json b/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/Contents.json
index d971c514..8dc8d10d 100644
--- a/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/Contents.json
+++ b/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/Contents.json
@@ -5,7 +5,7 @@
       "scale" : "1x"
     },
     {
-      "filename" : "ming_setting_about_us@2x.jpg",
+      "filename" : "ming_setting_about_us@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
diff --git a/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.jpg b/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.jpg
deleted file mode 100644
index eaa56e5a..00000000
Binary files a/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.jpg and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.png b/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.png
new file mode 100644
index 00000000..a3f704b0
Binary files /dev/null and b/xplan-ios/Assets.xcassets/Mine/ming_setting_about_us.imageset/ming_setting_about_us@2x.png differ
diff --git a/xplan-ios/Assets.xcassets/app_launch_screen.imageset/1242_2208.png b/xplan-ios/Assets.xcassets/app_launch_screen.imageset/1242_2208.png
deleted file mode 100644
index bc4b45c3..00000000
Binary files a/xplan-ios/Assets.xcassets/app_launch_screen.imageset/1242_2208.png and /dev/null differ
diff --git a/xplan-ios/Assets.xcassets/app_launch_screen.imageset/Contents.json b/xplan-ios/Assets.xcassets/app_launch_screen.imageset/Contents.json
deleted file mode 100644
index 014feeda..00000000
--- a/xplan-ios/Assets.xcassets/app_launch_screen.imageset/Contents.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "scale" : "1x"
-    },
-    {
-      "filename" : "1242_2208.png",
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
diff --git a/xplan-ios/Launch Screen.storyboard b/xplan-ios/Launch Screen.storyboard
index 78b6841f..94ab4b6c 100644
--- a/xplan-ios/Launch Screen.storyboard	
+++ b/xplan-ios/Launch Screen.storyboard	
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="21225" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
     <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21207"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -16,7 +16,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" insetsLayoutMarginsFromSafeArea="NO" image="app_launch_screen" translatesAutoresizingMaskIntoConstraints="NO" id="saT-Dw-TKR">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" insetsLayoutMarginsFromSafeArea="NO" image="app_launch_screen01.png" translatesAutoresizingMaskIntoConstraints="NO" id="saT-Dw-TKR">
                                 <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                             </imageView>
                         </subviews>
@@ -36,6 +36,6 @@
         </scene>
     </scenes>
     <resources>
-        <image name="app_launch_screen" width="621" height="1104"/>
+        <image name="app_launch_screen01.png" width="1242" height="2208"/>
     </resources>
 </document>
diff --git a/xplan-ios/app_launch_screen01.png b/xplan-ios/app_launch_screen01.png
new file mode 100644
index 00000000..dd6e3357
Binary files /dev/null and b/xplan-ios/app_launch_screen01.png differ