diff --git a/app/api/mobile/apis/blockchains.rb b/app/api/mobile/apis/blockchains.rb
index 0c7265c91..7f31ae426 100644
--- a/app/api/mobile/apis/blockchains.rb
+++ b/app/api/mobile/apis/blockchains.rb
@@ -59,21 +59,14 @@ module Mobile
         post 'join' do
           authenticate!
           # 根据repo_git_url找到repository对应的项目
-          Rails.logger.info("!!!!!!!!!!!in the join function")
           rs = RepositoriesService.new
-          rs.findProjectByRepoUrl(params[:repo_url])
-          # owner = User.find_by_login(params[:ownername])
-          # if owner
-          #   project = Project.find_by_user_id_name(owner.id, params[:reponame])
-          #   if project
-          #     blockchain = Blockchain.find_by_project_id(project.id)
-          #     {status:0, genesis_content:blockchain.genesis_content, network_id:blockchain.network_id, connect_ip:blockchain.connect_ip, port:blockchain.port, enode:blockchain.enode}
-          #   else
-          #     {status:-1, message: '该项目不存在' }
-          #   end
-          # else
-          #   {status:-1, message: '该项目不存在或已被删除' }
-          # end
+          status, project = rs.findProjectByRepoUrl(params[:repo_url])
+          if project
+            blockchain = Blockchain.find_by_project_id(project.id)
+            {status:status, genesis_content:blockchain.genesis_content, network_id:blockchain.network_id, connect_ip:blockchain.connect_ip, port:blockchain.port, enode:blockchain.enode}
+          else
+            {status:-1, message: '该项目不存在' }
+          end
         end
 
         desc "获取两次代码提交之间的区别"
diff --git a/app/services/repositories_service.rb b/app/services/repositories_service.rb
index 1e194324a..5ec84d286 100644
--- a/app/services/repositories_service.rb
+++ b/app/services/repositories_service.rb
@@ -45,13 +45,37 @@ class RepositoriesService
 
   # 根据repo_url，找到所属project
   def findProjectByRepoUrl repo_url
+    status = -1
     # 解析ownername
-    repo_url = repo_url[Redmine::Configuration['gitlab_address'].to_s.length + 1..repo_url.length - 1]
-    Rails.logger.info("!!!!!!!!!!" + repo_url)
+    gitlab_address = Redmine::Configuration['gitlab_address']
+    gitlab_address = gitlab_address[gitlab_address.index("//") + 2..gitlab_address.length - 1]
+    repo_url = repo_url[repo_url.index(gitlab_address) + gitlab_address.length + 1..repo_url.length - 1]
     index_split = repo_url.index("/")
     owner_name = repo_url[0..index_split - 1]
-    Rails.logger.info("!!!!!!!!!!this is the owner name")
-    Rails.logger.info(owner_name)
+
+    owner = User.find_by_login(owner_name)
+    if owner
+      projects = Project.find_all_by_user_id(owner.id)
+      if projects.length <= 0
+        return status, nil
+      else
+        projects.each do |project|
+          gpid = project.gpid
+          if gpid
+            http_url_to_repo = Gitlab.client.project(gpid).try(:http_url_to_repo)
+            if http_url_to_repo
+              if repo_url == http_url_to_repo
+                status = 0
+                return status, project # 表示找到了
+              end
+            end
+          end
+        end
+        return status, nil # 表示没找到
+      end
+    else
+      return status, nil # 表示数据库有问题，没有对应的owner
+    end
 end
 
 end
\ No newline at end of file