diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e96aa6b..d5e9de6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -47,7 +47,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/dp_25"
             android:layout_gravity="bottom"
-            android:background="@color/themeColor"
+            android:background="#FFEEF3FA"
             android:orientation="horizontal">
 
             <ImageView
@@ -65,7 +65,7 @@
                 android:gravity="center_vertical"
                 android:singleLine="true"
                 android:text="@string/app_name"
-                android:textColor="@color/white" />
+                android:textColor="@color/themeColor" />
 
             <ImageView
                 android:id="@+id/aimButton"
@@ -76,6 +76,11 @@
         </LinearLayout>
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerLine"
+        android:background="@color/mainBackground" />
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_45"

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e96aa6b..d5e9de6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -47,7 +47,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/dp_25"
             android:layout_gravity="bottom"
-            android:background="@color/themeColor"
+            android:background="#FFEEF3FA"
             android:orientation="horizontal">
 
             <ImageView
@@ -65,7 +65,7 @@
                 android:gravity="center_vertical"
                 android:singleLine="true"
                 android:text="@string/app_name"
-                android:textColor="@color/white" />
+                android:textColor="@color/themeColor" />
 
             <ImageView
                 android:id="@+id/aimButton"
@@ -76,6 +76,11 @@
         </LinearLayout>
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerLine"
+        android:background="@color/mainBackground" />
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_45"
diff --git a/app/src/main/res/layout/activity_permssion.xml b/app/src/main/res/layout/activity_permssion.xml
index 4d3d111..cf4b112 100644
--- a/app/src/main/res/layout/activity_permssion.xml
+++ b/app/src/main/res/layout/activity_permssion.xml
@@ -17,6 +17,14 @@
         android:layout_centerHorizontal="true"
         android:src="@mipmap/splash_casic" />
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="72dp"
+        android:layout_above="@id/textView"
+        android:layout_centerHorizontal="true"
+        android:src="@mipmap/splash_bltd"
+        android:visibility="gone" />
+
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e96aa6b..d5e9de6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -47,7 +47,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/dp_25"
             android:layout_gravity="bottom"
-            android:background="@color/themeColor"
+            android:background="#FFEEF3FA"
             android:orientation="horizontal">
 
             <ImageView
@@ -65,7 +65,7 @@
                 android:gravity="center_vertical"
                 android:singleLine="true"
                 android:text="@string/app_name"
-                android:textColor="@color/white" />
+                android:textColor="@color/themeColor" />
 
             <ImageView
                 android:id="@+id/aimButton"
@@ -76,6 +76,11 @@
         </LinearLayout>
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerLine"
+        android:background="@color/mainBackground" />
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_45"
diff --git a/app/src/main/res/layout/activity_permssion.xml b/app/src/main/res/layout/activity_permssion.xml
index 4d3d111..cf4b112 100644
--- a/app/src/main/res/layout/activity_permssion.xml
+++ b/app/src/main/res/layout/activity_permssion.xml
@@ -17,6 +17,14 @@
         android:layout_centerHorizontal="true"
         android:src="@mipmap/splash_casic" />
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="72dp"
+        android:layout_above="@id/textView"
+        android:layout_centerHorizontal="true"
+        android:src="@mipmap/splash_bltd"
+        android:visibility="gone" />
+
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/mipmap-xhdpi/bltd.png b/app/src/main/res/mipmap-xhdpi/bltd.png
new file mode 100644
index 0000000..a4fa714
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/bltd.png
Binary files differ

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e96aa6b..d5e9de6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -47,7 +47,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/dp_25"
             android:layout_gravity="bottom"
-            android:background="@color/themeColor"
+            android:background="#FFEEF3FA"
             android:orientation="horizontal">
 
             <ImageView
@@ -65,7 +65,7 @@
                 android:gravity="center_vertical"
                 android:singleLine="true"
                 android:text="@string/app_name"
-                android:textColor="@color/white" />
+                android:textColor="@color/themeColor" />
 
             <ImageView
                 android:id="@+id/aimButton"
@@ -76,6 +76,11 @@
         </LinearLayout>
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerLine"
+        android:background="@color/mainBackground" />
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_45"
diff --git a/app/src/main/res/layout/activity_permssion.xml b/app/src/main/res/layout/activity_permssion.xml
index 4d3d111..cf4b112 100644
--- a/app/src/main/res/layout/activity_permssion.xml
+++ b/app/src/main/res/layout/activity_permssion.xml
@@ -17,6 +17,14 @@
         android:layout_centerHorizontal="true"
         android:src="@mipmap/splash_casic" />
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="72dp"
+        android:layout_above="@id/textView"
+        android:layout_centerHorizontal="true"
+        android:src="@mipmap/splash_bltd"
+        android:visibility="gone" />
+
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/mipmap-xhdpi/bltd.png b/app/src/main/res/mipmap-xhdpi/bltd.png
new file mode 100644
index 0000000..a4fa714
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/bltd.png
Binary files differ
diff --git a/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg b/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg
new file mode 100644
index 0000000..1cdc8c1
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg
Binary files differ

diff --git a/app/src/main/res/drawable/ic_aim.xml b/app/src/main/res/drawable/ic_aim.xml
index b36a39d..b7597b8 100644
--- a/app/src/main/res/drawable/ic_aim.xml
+++ b/app/src/main/res/drawable/ic_aim.xml
@@ -4,6 +4,6 @@
     android:viewportWidth="1024"
     android:viewportHeight="1024">
     <path
-        android:fillColor="@color/white"
+        android:fillColor="@color/themeColor"
         android:pathData="M554.6,0v87.4a426.8,426.8 0,0 1,382 381.8H1024v85.4h-87.4a426.8,426.8 0,0 1,-381.8 382V1024H469.3v-87.4a426.8,426.8 0,0 1,-382 -381.8H0V469.3h87.4a426.8,426.8 0,0 1,381.8 -382V0h85.4zM512,187.8a324.2,324.2 0,1 0,0 648.5,324.2 324.2,0 0,0 0,-648.5zM512,384a128,128 0,1 1,0 256,128 128,0 0,1 0,-256z" />
 </vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index b41a16c..d0838ed 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -14,7 +14,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:layout_width="192dp"
+            android:layout_width="wrap_content"
             android:layout_height="96dp"
             android:src="@mipmap/splash_casic" />
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e96aa6b..d5e9de6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -47,7 +47,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/dp_25"
             android:layout_gravity="bottom"
-            android:background="@color/themeColor"
+            android:background="#FFEEF3FA"
             android:orientation="horizontal">
 
             <ImageView
@@ -65,7 +65,7 @@
                 android:gravity="center_vertical"
                 android:singleLine="true"
                 android:text="@string/app_name"
-                android:textColor="@color/white" />
+                android:textColor="@color/themeColor" />
 
             <ImageView
                 android:id="@+id/aimButton"
@@ -76,6 +76,11 @@
         </LinearLayout>
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerLine"
+        android:background="@color/mainBackground" />
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_45"
diff --git a/app/src/main/res/layout/activity_permssion.xml b/app/src/main/res/layout/activity_permssion.xml
index 4d3d111..cf4b112 100644
--- a/app/src/main/res/layout/activity_permssion.xml
+++ b/app/src/main/res/layout/activity_permssion.xml
@@ -17,6 +17,14 @@
         android:layout_centerHorizontal="true"
         android:src="@mipmap/splash_casic" />
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="72dp"
+        android:layout_above="@id/textView"
+        android:layout_centerHorizontal="true"
+        android:src="@mipmap/splash_bltd"
+        android:visibility="gone" />
+
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/mipmap-xhdpi/bltd.png b/app/src/main/res/mipmap-xhdpi/bltd.png
new file mode 100644
index 0000000..a4fa714
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/bltd.png
Binary files differ
diff --git a/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg b/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg
new file mode 100644
index 0000000..1cdc8c1
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/splash_bltd.jpg
Binary files differ
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7efb447..c4545c4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,9 @@
 <resources>
     <string name="app_name">探测仪(GD)</string>
     <string name="group_name">中国航天科工集团二院二〇三所</string>
+<!--    <string name="group_name">北京保利泰达仪器设备有限公司</string>-->
     <string name="loading_value">数据加载中…</string>
     <string name="chinese_copyright">中国航天科工集团二院二〇三所 版权所有</string>
-    <string name="copyright">Copyright © 2023 – 2050 Casic. All rights reserved.</string>
+<!--    <string name="chinese_copyright">北京保利泰达仪器设备有限公司 版权所有</string>-->
+    <string name="copyright">Copyright © 2015 – 2025 Casic. All rights reserved.</string>
 </resources>
\ No newline at end of file