diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index c36abbd8d..79a5c215e 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -69,7 +69,7 @@ module Mobile
           requires :time, type: String, desc: '年份'
           requires :class_period, type: String, desc: '学时总数'
         end
-        post do
+        put do
           authenticate!
           cs = CoursesService.new
           cs_params = {
diff --git a/app/api/mobile/apis/homeworks.rb b/app/api/mobile/apis/homeworks.rb
new file mode 100644
index 000000000..99acfd87f
--- /dev/null
+++ b/app/api/mobile/apis/homeworks.rb
@@ -0,0 +1,29 @@
+#coding=utf-8
+
+module Mobile
+  module Apis
+    class Homeworks < Grape::API
+
+      def self.get_servcie
+        new HomeworkService
+      end
+
+      resources :homeworks do
+
+        desc "作业详情"
+        params do
+          requires :id, type: Integer, desc: "作业ID"
+        end
+        route_param  :id do
+          get do
+            get_service.show_homework params
+          end
+        end
+
+
+
+
+      end
+    end
+  end
+end