diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 6206f2baa..f60fa5290 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -126,7 +126,7 @@ module ProjectsHelper
 
   def jianmu_devops_url(token)
     url = EduSetting.get("jianmu_devops_url") || "https://ci-v3.test.jianmuhub.com/oauth2/authorize?code="
-    "#{url}#{token}"
+    "#{url}#{URI.encode(token)}"
   end
 
   def aes_encrypt(key, des_text)