diff --git a/app/api/mobile/apis/cnmooc.rb b/app/api/mobile/apis/cnmooc.rb
index 96b10101..7546fd58 100644
--- a/app/api/mobile/apis/cnmooc.rb
+++ b/app/api/mobile/apis/cnmooc.rb
@@ -43,6 +43,9 @@ module Mobile
           requires :accessType, type: Integer, desc: "资源类型"
         end
         get "source_url" do
+          user_source = UserSource.find_by_user_id(params[:userId])
+          return {error: -1, messages: "用户不存在，请先创建用户"} if user_source.blank?
+          self.logged_user = user_source.user
           CnmoocsService.new.source_url(params)
         end
 
diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index 24a9950e..3161eeac 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -115,9 +115,6 @@ class CnmoocsService
   end
 
   def source_url(params)
-    user_source = UserSource.find_by_user_id(params[:userId])
-    return {error: -1, messages: "用户不存在，请先创建用户"} if user_source.blank?
-    self.logged_user = user_source.user
     shixun = Shixun.find_by_id(params[:resouceId])
     if shixun.blank?
       return { error: -1, messages: '资源不存在' }