fixed 代码贡献者email

app/views/api/v1/projects/code_stats/index.json.jbuilder

@@ -6,7 +6,7 @@ json.deletions @result_object["deletions"]
 json.commit_count_in_all_branches @result_object["commit_count_in_all_branches"]
 json.authors @result_object["authors"].each do |author| 
   json.author do 
-    json.partial! 'api/v1/users/commit_user', locals: { user: render_cache_commit_author(author), name: author['name'] }
+    json.partial! 'api/v1/users/commit_user_email', locals: { user: render_cache_commit_author(author), name: author['name'], email: author['email'] }
   end  
   json.commits author["commits"]
   json.additions author["additions"]

app/views/api/v1/users/_commit_user_email.json.jbuilder

@@ -0,0 +1,22 @@
+if user.present?
+  if user.is_a?(Hash)
+    json.id user["id"]
+    json.login user["login"]
+    json.name user["name"]
+    json.type user["type"]
+    json.image_url user["avatar_url"]
+  else
+    json.id user.id
+    json.login user.login
+    json.name user.real_name
+    json.type user&.type
+    json.image_url url_to_avatar(user)
+  end 
+else
+  json.id nil
+  json.login name 
+  json.name name 
+  json.email email
+  json.type nil
+  json.image_url User::Avatar.get_letter_avatar_url(name)
+end