diff --git a/android/app/src/main/res/drawable-hdpi/splash.png b/android/app/src/main/res/drawable-hdpi/splash.png
new file mode 100644
index 0000000..bd3a996
Binary files /dev/null and b/android/app/src/main/res/drawable-hdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-mdpi/splash.png b/android/app/src/main/res/drawable-mdpi/splash.png
new file mode 100644
index 0000000..cda15ae
Binary files /dev/null and b/android/app/src/main/res/drawable-mdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-v21/background.png b/android/app/src/main/res/drawable-night-v21/background.png
new file mode 100644
index 0000000..39ea62c
Binary files /dev/null and b/android/app/src/main/res/drawable-night-v21/background.png differ
diff --git a/android/app/src/main/res/drawable-night-v21/launch_background.xml b/android/app/src/main/res/drawable-night-v21/launch_background.xml
new file mode 100644
index 0000000..3fe6b2e
--- /dev/null
+++ b/android/app/src/main/res/drawable-night-v21/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/android/app/src/main/res/drawable-night/background.png b/android/app/src/main/res/drawable-night/background.png
new file mode 100644
index 0000000..39ea62c
Binary files /dev/null and b/android/app/src/main/res/drawable-night/background.png differ
diff --git a/android/app/src/main/res/drawable-night/launch_background.xml b/android/app/src/main/res/drawable-night/launch_background.xml
new file mode 100644
index 0000000..3fe6b2e
--- /dev/null
+++ b/android/app/src/main/res/drawable-night/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/android/app/src/main/res/drawable-v21/background.png b/android/app/src/main/res/drawable-v21/background.png
new file mode 100644
index 0000000..e29b3b5
Binary files /dev/null and b/android/app/src/main/res/drawable-v21/background.png differ
diff --git a/android/app/src/main/res/drawable-v21/launch_background.xml b/android/app/src/main/res/drawable-v21/launch_background.xml
index f74085f..3fe6b2e 100644
--- a/android/app/src/main/res/drawable-v21/launch_background.xml
+++ b/android/app/src/main/res/drawable-v21/launch_background.xml
@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
-</layer-list>
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/android/app/src/main/res/drawable-xhdpi/splash.png b/android/app/src/main/res/drawable-xhdpi/splash.png
new file mode 100644
index 0000000..653ed9f
Binary files /dev/null and b/android/app/src/main/res/drawable-xhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-xxhdpi/splash.png b/android/app/src/main/res/drawable-xxhdpi/splash.png
new file mode 100644
index 0000000..d45c476
Binary files /dev/null and b/android/app/src/main/res/drawable-xxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-xxxhdpi/splash.png b/android/app/src/main/res/drawable-xxxhdpi/splash.png
new file mode 100644
index 0000000..0c4a272
Binary files /dev/null and b/android/app/src/main/res/drawable-xxxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable/background.png b/android/app/src/main/res/drawable/background.png
new file mode 100644
index 0000000..e29b3b5
Binary files /dev/null and b/android/app/src/main/res/drawable/background.png differ
diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml
index 304732f..3fe6b2e 100644
--- a/android/app/src/main/res/drawable/launch_background.xml
+++ b/android/app/src/main/res/drawable/launch_background.xml
@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
-</layer-list>
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/android/app/src/main/res/values-night/styles.xml b/android/app/src/main/res/values-night/styles.xml
index 3db14bb..f8672fd 100644
--- a/android/app/src/main/res/values-night/styles.xml
+++ b/android/app/src/main/res/values-night/styles.xml
@@ -5,6 +5,7 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowFullscreen">true</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
@@ -15,4 +16,4 @@
     <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
-</resources>
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index d460d1e..fc8f37e 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -5,6 +5,7 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowFullscreen">true</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
@@ -15,4 +16,4 @@
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
-</resources>
+</resources>
\ No newline at end of file
diff --git a/assets/images/ql.png b/assets/images/ql.png
new file mode 100644
index 0000000..8ba23ce
Binary files /dev/null and b/assets/images/ql.png differ
diff --git a/ios/Runner/Assets.xcassets/BrandingImage.imageset/Contents.json b/ios/Runner/Assets.xcassets/BrandingImage.imageset/Contents.json
new file mode 100644
index 0000000..1271227
--- /dev/null
+++ b/ios/Runner/Assets.xcassets/BrandingImage.imageset/Contents.json
@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "filename" : "BrandingImage.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "BrandingImage@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "BrandingImage@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json
new file mode 100644
index 0000000..fa31327
--- /dev/null
+++ b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json
@@ -0,0 +1,52 @@
+{
+  "images" : [
+    {
+      "filename" : "background.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "darkbackground.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png
new file mode 100644
index 0000000..e29b3b5
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png
new file mode 100644
index 0000000..39ea62c
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
index 0bedcf2..00cabce 100644
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@@ -1,23 +1,23 @@
 {
   "images" : [
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage.png",
+      "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@2x.png",
+      "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@3x.png",
+      "idiom" : "universal",
       "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
 }
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
index 9da19ea..cda15ae 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
index 9da19ea..653ed9f 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
index 9da19ea..d45c476 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png differ
diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
index f2e259c..bcff5e2 100644
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -16,13 +16,19 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
-                            </imageView>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="3T2-ad-Qdv"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="RPx-PI-7Xg"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="SdS-ul-q2q"/>
+                            <constraint firstAttribute="trailing" secondItem="tWc-Dq-wcI" secondAttribute="trailing" id="Swv-Gf-Rwn"/>
+                            <constraint firstAttribute="trailing" secondItem="YRO-k0-Ey4" secondAttribute="trailing" id="TQA-XW-tRk"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="duK-uY-Gun"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="kV7-tw-vXt"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="xPn-NY-SIU"/>
                         </constraints>
                     </view>
                 </viewController>
@@ -32,6 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="240" height="240"/>
+        <image name="LaunchBackground" width="1" height="1"/>
     </resources>
-</document>
+</document>
\ No newline at end of file
diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist
index cfbc8e5..a574bde 100644
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@@ -1,47 +1,49 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleDisplayName</key>
-	<string>Qinglong App</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>qinglong_app</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
-	<string>Main</string>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UIViewControllerBasedStatusBarAppearance</key>
-	<true/>
-</dict>
-</plist>
+	<dict>
+		<key>CFBundleDevelopmentRegion</key>
+		<string>$(DEVELOPMENT_LANGUAGE)</string>
+		<key>CFBundleDisplayName</key>
+		<string>Qinglong App</string>
+		<key>CFBundleExecutable</key>
+		<string>$(EXECUTABLE_NAME)</string>
+		<key>CFBundleIdentifier</key>
+		<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundleName</key>
+		<string>qinglong_app</string>
+		<key>CFBundlePackageType</key>
+		<string>APPL</string>
+		<key>CFBundleShortVersionString</key>
+		<string>$(FLUTTER_BUILD_NAME)</string>
+		<key>CFBundleSignature</key>
+		<string>????</string>
+		<key>CFBundleVersion</key>
+		<string>$(FLUTTER_BUILD_NUMBER)</string>
+		<key>LSRequiresIPhoneOS</key>
+		<true/>
+		<key>UILaunchStoryboardName</key>
+		<string>LaunchScreen</string>
+		<key>UIMainStoryboardFile</key>
+		<string>Main</string>
+		<key>UISupportedInterfaceOrientations</key>
+		<array>
+			<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
+		</array>
+		<key>UISupportedInterfaceOrientations~ipad</key>
+		<array>
+			<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationPortraitUpsideDown</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
+		</array>
+		<key>UIViewControllerBasedStatusBarAppearance</key>
+		<false/>
+		<key>UIStatusBarHidden</key>
+		<true/>
+	</dict>
+</plist>
\ No newline at end of file
diff --git a/lib/base/http/http.dart b/lib/base/http/http.dart
index 1f5488f..ab54db5 100644
--- a/lib/base/http/http.dart
+++ b/lib/base/http/http.dart
@@ -131,7 +131,7 @@ class Http {
           return HttpResponse<T>(
             success: false,
             code: -1000,
-            message: "服务器返回数据异常",
+            message: response.data["message"],
           );
         }
       } catch (e) {
diff --git a/lib/module/login/login_page.dart b/lib/module/login/login_page.dart
index a3579f7..3ec3a82 100644
--- a/lib/module/login/login_page.dart
+++ b/lib/module/login/login_page.dart
@@ -2,6 +2,7 @@ import 'package:dio_log/dio_log.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/common_dialog.dart';
 import 'package:qinglong_app/base/routes.dart';
 import 'package:qinglong_app/main.dart';
 import 'package:qinglong_app/module/login/login_viewmodel.dart';
@@ -22,7 +23,6 @@ class _LoginPageState extends State<LoginPage> {
   @override
   void initState() {
     super.initState();
-
   }
 
   @override
@@ -36,6 +36,12 @@ class _LoginPageState extends State<LoginPage> {
             Navigator.of(context).popAndPushNamed(Routes.route_HomePage);
           });
         }
+        if (model.msg.isNotEmpty) {
+          WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
+            failDialog(context, model.msg);
+            model.msg = "";
+          });
+        }
         return SizedBox(
           height: MediaQuery.of(context).size.height,
           child: SingleChildScrollView(
@@ -45,7 +51,24 @@ class _LoginPageState extends State<LoginPage> {
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
                 SizedBox(
-                  height: MediaQuery.of(context).size.height / 3,
+                  height: MediaQuery.of(context).size.height / 6,
+                ),
+                Image.asset(
+                  "assets/images/ql.png",
+                  width: 60,
+                  height: 60,
+                ),
+                SizedBox(
+                  height: 15,
+                ),
+                Text(
+                  "青龙控制面板",
+                  style: TextStyle(
+                    fontSize: 16,
+                  ),
+                ),
+                SizedBox(
+                  height: MediaQuery.of(context).size.height / 10,
                 ),
                 Padding(
                   padding: const EdgeInsets.symmetric(
@@ -103,7 +126,6 @@ class _LoginPageState extends State<LoginPage> {
                       ),
                       Expanded(
                         child: TextField(
-
                           onChanged: (_) {
                             setState(() {});
                           },
@@ -160,24 +182,27 @@ class _LoginPageState extends State<LoginPage> {
                 ),
                 SizedBox(
                   width: MediaQuery.of(context).size.width - 30,
-                  child: CupertinoButton(
-                      color: (_hostController.text.isNotEmpty && _userNameController.text.isNotEmpty && _passwordController.text.isNotEmpty && !model.isLoading)
-                          ? Theme.of(context).primaryColor
-                          : Theme.of(context).primaryColor.withOpacity(0.3),
-                      child: model.isLoading
-                          ? const CupertinoActivityIndicator()
-                          : const Text(
-                              "登录",
-                              style: TextStyle(
-                                fontSize: 16,
+                  child: IgnorePointer(
+                    ignoring: _hostController.text.isEmpty || _userNameController.text.isEmpty || _passwordController.text.isEmpty || model.isLoading,
+                    child: CupertinoButton(
+                        color:
+                            (_hostController.text.isNotEmpty && _userNameController.text.isNotEmpty && _passwordController.text.isNotEmpty && !model.isLoading)
+                                ? Theme.of(context).primaryColor
+                                : Theme.of(context).primaryColor.withOpacity(0.4),
+                        child: model.isLoading
+                            ? const CupertinoActivityIndicator()
+                            : const Text(
+                                "登录",
+                                style: TextStyle(
+                                  fontSize: 16,
+                                ),
                               ),
-                            ),
-                      onPressed: () {
-                        if (model.isLoading) return;
-                        Utils.hideKeyBoard(context);
-                        userInfoViewModel.updateHost(_hostController.text);
-                        model.login(_userNameController.text, _passwordController.text);
-                      }),
+                        onPressed: () {
+                          Utils.hideKeyBoard(context);
+                          userInfoViewModel.updateHost(_hostController.text);
+                          model.login(_userNameController.text, _passwordController.text);
+                        }),
+                  ),
                 ),
               ],
             ),
diff --git a/lib/module/login/login_viewmodel.dart b/lib/module/login/login_viewmodel.dart
index 245f1af..a842fae 100644
--- a/lib/module/login/login_viewmodel.dart
+++ b/lib/module/login/login_viewmodel.dart
@@ -14,7 +14,7 @@ class LoginViewModel extends ViewModel {
   bool isLoading = false;
   String msg = "";
 
-  void login(String userName, String password) async {
+  Future<void> login(String userName, String password) async {
     isLoading = true;
     loginSuccess = false;
     msg = "";
diff --git a/pubspec.lock b/pubspec.lock
index b064602..8761f6e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -15,6 +15,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.7.2"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.8"
   args:
     dependency: transitive
     description:
@@ -244,6 +251,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.4"
+  flutter_native_splash:
+    dependency: "direct main"
+    description:
+      name: flutter_native_splash
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.3.3"
   flutter_riverpod:
     dependency: "direct main"
     description:
@@ -317,6 +331,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.0.0"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.1"
   intl:
     dependency: "direct main"
     description:
@@ -443,6 +464,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.11.1"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.4.0"
   platform:
     dependency: transitive
     description:
@@ -651,6 +679,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.0"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.4"
   vector_math:
     dependency: transitive
     description:
@@ -686,6 +721,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.2.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.3.1"
   yaml:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 7f472e6..18ff5fe 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -23,7 +23,7 @@ dependencies:
   logger: ^1.1.0
   intl: ^0.17.0
   code_editor: ^1.3.1
-
+  flutter_native_splash: ^1.3.3
 dev_dependencies:
   build_runner: ^2.0.0
   json_conversion: ^0.0.4
@@ -35,37 +35,92 @@ dev_dependencies:
 
 flutter:
 
-  # The following line ensures that the Material Icons font is
-  # included with your application, so that you can use the icons in
-  # the material Icons class.
   uses-material-design: true
 
-  # To add assets to your application, add an assets section, like this:
   assets:
     - assets/images/
 
-  # An image asset can refer to one or more resolution-specific "variants", see
-  # https://flutter.dev/assets-and-images/#resolution-aware.
+flutter_native_splash:
 
-  # For details regarding adding assets from package dependencies, see
-  # https://flutter.dev/assets-and-images/#from-packages
+  # This package generates native code to customize Flutter's default white native splash screen
+  # with background color and splash image.
+  # Customize the parameters below, and run the following command in the terminal:
+  # flutter pub run flutter_native_splash:create
+  # To restore Flutter's default white splash screen, run the following command in the terminal:
+  # flutter pub run flutter_native_splash:remove
 
-  # To add custom fonts to your application, add a fonts section here,
-  # in this "flutter" section. Each entry in this list should have a
-  # "family" key with the font family name, and a "fonts" key with a
-  # list giving the asset and other descriptors for the font. For
-  # example:
-  # fonts:
-  #   - family: Schyler
-  #     fonts:
-  #       - asset: fonts/Schyler-Regular.ttf
-  #       - asset: fonts/Schyler-Italic.ttf
-  #         style: italic
-  #   - family: Trajan Pro
-  #     fonts:
-  #       - asset: fonts/TrajanPro.ttf
-  #       - asset: fonts/TrajanPro_Bold.ttf
-  #         weight: 700
+  # color or background_image is the only required parameter.  Use color to set the background
+  # of your splash screen to a solid color.  Use background_image to set the background of your
+  # splash screen to a png image.  This is useful for gradients. The image will be stretch to the
+  # size of the app. Only one parameter can be used, color and background_image cannot both be set.
+  color: "#ffffff"
+  #background_image: "assets/background.png"
+
+  # Optional parameters are listed below.  To enable a parameter, uncomment the line by removing
+  # the leading # character.
+
+  # The image parameter allows you to specify an image used in the splash screen.  It must be a
+  # png file and should be sized for 4x pixel density.
+  image: assets/images/ql.png
+
+  # This property allows you to specify an image used as branding in the splash screen. It must be
+  # a png file. Currently, it is only supported for Android and iOS.
+#  branding: assets/dart.png
+
+  # Specify your branding image for dark mode.
+#  branding_dark: assets/dart_dark.png
+
+  # To position the branding image at the bottom of the screen you can use bottom, bottomRight,
+  # and bottomLeft. The default values is bottom if not specified or specified something else.
   #
-  # For details regarding fonts from package dependencies,
-  # see https://flutter.dev/custom-fonts/#from-packages
+  # Make sure this content mode value should not be similar to android_gravity value and ios_content_mode
+  # value.
+#  branding_mode: bottom
+
+  # The color_dark, background_image_dark, and image_dark are parameters that set the background
+  # and image when the device is in dark mode. If they are not specified, the app will use the
+  # parameters from above. If the image_dark parameter is specified, color_dark or
+  # background_image_dark must be specified.  color_dark and background_image_dark cannot both be
+  # set.
+  color_dark: "#2E312E"
+#  background_image_dark: "assets/dark-background.png"
+#  image_dark: assets/splash-invert.png
+
+  # The android, ios and web parameters can be used to disable generating a splash screen on a given
+  # platform.
+  #android: false
+  #ios: false
+  #web: false
+
+  # The position of the splash image can be set with android_gravity, ios_content_mode, and
+  # web_image_mode parameters.  All default to center.
+  #
+  # android_gravity can be one of the following Android Gravity (see
+  # https://developer.android.com/reference/android/view/Gravity): bottom, center,
+  # center_horizontal, center_vertical, clip_horizontal, clip_vertical, end, fill, fill_horizontal,
+  # fill_vertical, left, right, start, or top.
+  #android_gravity: center
+  #
+  # ios_content_mode can be one of the following iOS UIView.ContentMode (see
+  # https://developer.apple.com/documentation/uikit/uiview/contentmode): scaleToFill,
+  # scaleAspectFit, scaleAspectFill, center, top, bottom, left, right, topLeft, topRight,
+  # bottomLeft, or bottomRight.
+  #ios_content_mode: center
+  #
+  # web_image_mode can be one of the following modes: center, contain, stretch, and cover.
+  #web_image_mode: center
+
+  # To hide the notification bar, use the fullscreen parameter.  Has no affect in web since web
+  # has no notification bar.  Defaults to false.
+  # NOTE: Unlike Android, iOS will not automatically show the notification bar when the app loads.
+  #       To show the notification bar, add the following code to your Flutter app:
+  #       WidgetsFlutterBinding.ensureInitialized();
+  #       SystemChrome.setEnabledSystemUIOverlays([SystemUiOverlay.bottom, SystemUiOverlay.top]);
+  fullscreen: true
+
+  # If you have changed the name(s) of your info.plist file(s), you can specify the filename(s)
+  # with the info_plist_files parameter.  Remove only the # characters in the three lines below,
+  # do not remove any spaces:
+  #info_plist_files:
+  #  - 'ios/Runner/Info-Debug.plist'
+  #  - 'ios/Runner/Info-Release.plist'
\ No newline at end of file
diff --git a/web/index.html b/web/index.html
index 528205c..487a81e 100644
--- a/web/index.html
+++ b/web/index.html
@@ -31,8 +31,14 @@
 
   <title>qinglong_app</title>
   <link rel="manifest" href="manifest.json">
+  <link rel="stylesheet" type="text/css" href="splash/style.css">
 </head>
 <body>
+  <picture id="splash">
+    <source srcset="splash/img/light-1x.png 1x, splash/img/light-2x.png 2x, splash/img/light-3x.png 3x, splash/img/light-4x.png 4x" media="(prefers-color-scheme: light) or (prefers-color-scheme: no-preference)">
+    <source srcset="splash/img/dark-1x.png 1x, splash/img/dark-2x.png 2x, splash/img/dark-3x.png 3x, splash/img/dark-4x.png 4x" media="(prefers-color-scheme: dark)">
+    <img class="center" aria-hidden="true" src="splash/img/light-1x.png" />
+  </picture>
   <!-- This script installs service_worker.js to provide PWA functionality to
        application. For more information, see:
        https://developers.google.com/web/fundamentals/primers/service-workers -->
@@ -101,4 +107,4 @@
     }
   </script>
 </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/web/splash/img/dark-1x.png b/web/splash/img/dark-1x.png
new file mode 100644
index 0000000..cda15ae
Binary files /dev/null and b/web/splash/img/dark-1x.png differ
diff --git a/web/splash/img/dark-2x.png b/web/splash/img/dark-2x.png
new file mode 100644
index 0000000..653ed9f
Binary files /dev/null and b/web/splash/img/dark-2x.png differ
diff --git a/web/splash/img/dark-3x.png b/web/splash/img/dark-3x.png
new file mode 100644
index 0000000..d45c476
Binary files /dev/null and b/web/splash/img/dark-3x.png differ
diff --git a/web/splash/img/dark-4x.png b/web/splash/img/dark-4x.png
new file mode 100644
index 0000000..0c4a272
Binary files /dev/null and b/web/splash/img/dark-4x.png differ
diff --git a/web/splash/img/light-1x.png b/web/splash/img/light-1x.png
new file mode 100644
index 0000000..cda15ae
Binary files /dev/null and b/web/splash/img/light-1x.png differ
diff --git a/web/splash/img/light-2x.png b/web/splash/img/light-2x.png
new file mode 100644
index 0000000..653ed9f
Binary files /dev/null and b/web/splash/img/light-2x.png differ
diff --git a/web/splash/img/light-3x.png b/web/splash/img/light-3x.png
new file mode 100644
index 0000000..d45c476
Binary files /dev/null and b/web/splash/img/light-3x.png differ
diff --git a/web/splash/img/light-4x.png b/web/splash/img/light-4x.png
new file mode 100644
index 0000000..0c4a272
Binary files /dev/null and b/web/splash/img/light-4x.png differ
diff --git a/web/splash/style.css b/web/splash/style.css
new file mode 100644
index 0000000..bbafb62
--- /dev/null
+++ b/web/splash/style.css
@@ -0,0 +1,43 @@
+body, html {
+  margin:0;
+  height:100%;
+  background: #ffffff;
+  
+  background-size: 100% 100%;
+}
+
+.center {
+  margin: 0;
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  -ms-transform: translate(-50%, -50%);
+  transform: translate(-50%, -50%);
+}
+
+.contain {
+  display:block;
+  width:100%; height:100%;
+  object-fit: contain;
+}
+
+.stretch {
+  display:block;
+  width:100%; height:100%;
+}
+
+.cover {
+  display:block;
+  width:100%; height:100%;
+  object-fit: cover;
+}
+
+@media (prefers-color-scheme: dark) {
+  body {
+    margin:0;
+    height:100%;
+    background: #2E312E;
+    
+    background-size: 100% 100%;
+  }
+}