Merge pull request '修复project为User时 CLA关系不存在时导致的问题' (#79) from KingChan/forgeplus:chenjing into standalone_develop

app/views/projects/_detail.json.jbuilder

@@ -3,7 +3,7 @@ json.identifier project.identifier
 json.name project.name
 json.description project.description
 json.is_public project.is_public
-json.pr_need @project.owner&.cla.try(:pr_need)
+json.pr_need @project.owner.class == User ? false :  @project.owner&.cla.try(:pr_need)
 json.owner do 
   json.partial! "/users/user_simple", locals: {user: project.owner}
 end