diff --git a/app/forms/contents/create_form.rb b/app/forms/contents/create_form.rb
index 6a0294887..ec60697d6 100644
--- a/app/forms/contents/create_form.rb
+++ b/app/forms/contents/create_form.rb
@@ -3,6 +3,8 @@ class Contents::CreateForm < BaseForm
 
   validates :filepath, presence: true
 
+  validates :new_branch, length: { maximum: 100, too_long: "过长，仅支持%{count}的长度"}
+
   validate :check_branch
 
   def check_branch
diff --git a/config/locales/forms/create_file_form.zh-CN.yml b/config/locales/forms/create_file_form.zh-CN.yml
new file mode 100644
index 000000000..0f9ea86a7
--- /dev/null
+++ b/config/locales/forms/create_file_form.zh-CN.yml
@@ -0,0 +1,5 @@
+'zh-CN':
+  activemodel:
+    attributes:
+      contents/create_form:
+        new_branch: 分支名称
\ No newline at end of file
diff --git a/public/images/logo.png b/public/images/logo.png
new file mode 100644
index 000000000..8664f5c79
Binary files /dev/null and b/public/images/logo.png differ
diff --git a/public/images/logo_x2.png b/public/images/logo_x2.png
new file mode 100644
index 000000000..1263b5b49
Binary files /dev/null and b/public/images/logo_x2.png differ