diff --git a/app/controllers/concerns/register_helper.rb b/app/controllers/concerns/register_helper.rb
index 9270811e5..8c015703a 100644
--- a/app/controllers/concerns/register_helper.rb
+++ b/app/controllers/concerns/register_helper.rb
@@ -13,15 +13,15 @@ module RegisterHelper
     user.platform = platform
     user.phone = phone if phone.present?
     user.activate
-    
+
     return unless user.valid?
 
     interactor = Gitea::RegisterInteractor.call({username: username, email: email, password: password})
-    if interactor.success?
-      gitea_user = interactor.result
+    if interactor.success? || interactor.error.to_s.include?("已被注册")
+      gitea_user = interactor.error.to_s.include?("已被注册") ? Gitea::User::GetService.call(username, password) : interactor.result
       result = Gitea::User::GenerateTokenService.call(username, password)
       user.gitea_token = result['sha1']
-      user.gitea_uid = gitea_user[:body]['id']
+      user.gitea_uid = gitea_user[:body]['id'] if gitea_user[:body].present?
       if user.save!
         UserExtension.create!(user_id: user.id) if user.user_extension.blank?
         result[:user] = {id: user.id, token: user.gitea_token}
diff --git a/app/services/gitea/user/get_service.rb b/app/services/gitea/user/get_service.rb
new file mode 100644
index 000000000..6dc107336
--- /dev/null
+++ b/app/services/gitea/user/get_service.rb
@@ -0,0 +1,42 @@
+class Gitea::User::GetService < Gitea::ClientService
+  attr_reader :username, :password
+  # params:
+  # username*	string # required
+  def initialize(username, password = "")
+    @username = username
+    @password = password
+  end
+
+  def call
+    params = Hash.new.merge(token: token_params, data: params)
+    response = get(url, params)
+
+    status, message, body = render_response(response)
+    json_format(status, message, body)
+  end
+
+  private
+  def url
+    "/users/#{username}"
+  end
+
+  def token_params
+    {
+        username: username,
+        password: password
+    }
+  end
+
+  def params
+    {username: username}
+  end
+
+
+  def json_format(status, message, body)
+    case status
+    when 200 then success(body)
+    else
+      error(message, status)
+    end
+  end
+end
\ No newline at end of file