diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index 958fe6a9..69bd4d44 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -109,6 +109,12 @@ module Mobile
           return uw.user if uw
         end
 
+        third_party_user_id = session[:third_party_user_id]
+        if third_party_user_id
+          c_user = UserSource.find_by_id(session[:third_party_user_id])
+          return c_user.user if c_user
+        end
+
         token = ApiKey.where(access_token: params[:token]).first
         if token && !token.expired?
           return User.find(token.user_id)
diff --git a/app/api/mobile/apis/cnmooc.rb b/app/api/mobile/apis/cnmooc.rb
index 96b10101..d67a390d 100644
--- a/app/api/mobile/apis/cnmooc.rb
+++ b/app/api/mobile/apis/cnmooc.rb
@@ -43,6 +43,11 @@ module Mobile
           requires :accessType, type: Integer, desc: "资源类型"
         end
         get "source_url" do
+          if session[:third_party_user_id].blank?
+            user = User.find(params[:userId])
+            session[:third_party_user_id] = user.user_source.id
+          end
+
           CnmoocsService.new.source_url(params)
         end
 
diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index 903db58d..caba8ebb 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -115,11 +115,6 @@ class CnmoocsService
   end
 
   def source_url(params)
-    if session[:third_party_user_id].blank?
-      user = User.find(params[:userId])
-      session[:third_party_user_id] = user.user_source.id
-    end
-
     shixun = Shixun.find_by_identifier(params[:resouceId])
     if shixun.blank?
       return { error: -1, messages: '资源不存在' }