diff --git a/Assets/arts/textures/background/common/common_bg_2.png b/Assets/arts/textures/background/common/common_bg_2.png
index 64b7829c4..a75e451ff 100644
Binary files a/Assets/arts/textures/background/common/common_bg_2.png and b/Assets/arts/textures/background/common/common_bg_2.png differ
diff --git a/Assets/first/ui/common_bg_2.png b/Assets/first/ui/common_bg_2.png
index 64b7829c4..a75e451ff 100644
Binary files a/Assets/first/ui/common_bg_2.png and b/Assets/first/ui/common_bg_2.png differ
diff --git a/Assets/first/ui/first.prefab b/Assets/first/ui/first.prefab
index 6d51a6d72..a943c8673 100644
--- a/Assets/first/ui/first.prefab
+++ b/Assets/first/ui/first.prefab
@@ -637,7 +637,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 1, g: 1, b: 1, a: 0.78431374}
   m_RaycastTarget: 0
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
diff --git a/Assets/prefabs/ui/login/login_ui.prefab b/Assets/prefabs/ui/login/login_ui.prefab
index 334fdc6f0..f8cb08d12 100644
--- a/Assets/prefabs/ui/login/login_ui.prefab
+++ b/Assets/prefabs/ui/login/login_ui.prefab
@@ -362,7 +362,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 2100000, guid: 8fbea6f32a7344f69af606d42e8d880a, type: 2}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 1, g: 1, b: 1, a: 0.78431374}
   m_RaycastTarget: 0
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
diff --git a/Assets/prefabs/ui/login/test_login_ui.prefab b/Assets/prefabs/ui/login/test_login_ui.prefab
index 76d526540..b67e2682f 100644
--- a/Assets/prefabs/ui/login/test_login_ui.prefab
+++ b/Assets/prefabs/ui/login/test_login_ui.prefab
@@ -58,7 +58,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 2100000, guid: 8fbea6f32a7344f69af606d42e8d880a, type: 2}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 1, g: 1, b: 1, a: 0.78431374}
   m_RaycastTarget: 0
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1