fix issue #43166

app/controllers/accounts_controller.rb

@@ -151,8 +151,18 @@ class AccountsController < ApplicationController
       if interactor.success?
         gitea_user = interactor.result
         result = Gitea::User::GenerateTokenService.new(login, params[:password]).call
-        @user.gitea_token = result['sha1']
-        @user.gitea_uid = gitea_user['id']
+        if !result['sha1'].nil?''
+          @user.gitea_token = result['sha1']
+        else
+          @user.gitea_token = JSON.parse(result.body)['sha1'] # 出现了返回结果为body字段json格式的情况
+        end
+
+        if !gitea_user['id'].nil?
+          @user.gitea_uid = gitea_user['id']
+        else
+          @user.gitea_uid = JSON.parse(gitea_user.body)['id']
+        end
+
         if @user.save!
           UserExtension.create!(user_id: @user.id)
           successful_authentication(@user)