Updated 在线授课接口定义 (markdown)

@@ -65,12 +65,12 @@ Response：
         "level_name": "滔滔6级"
       },
       "lesson_info": {
-        "id": "L3NoYXJlL3N2bi8yMDE1MDkxMOa1i-ivleaooeadvy8wMTMu5qih5p2_5ZCI6ZuGLnhsc3g",
-        "name": "模板合集",
+        "id": "L3NoYXJlL3N2bi_nvo7lm73or63mlocyLTEvMDAxLkV2ZW5pbmcgYXQgSG9tZS54bHN4",
+        "name": "Evening at Home",
+        "lastModified": 1448379647022,
         "type": "全面提高",
-        "difficulty": "4",
-        "lastModified": 1445001009175,
-        "cover": "10fb562cdc2b3c184a418c1c18d0d8b8"
+        "difficulty": "1.5",
+        "cover": "73dcb39a42bbfd6b3cc83b2569cf4bce"
       },
       "achievement_info": {
         "read_word_count": 0,
@@ -78,25 +78,47 @@ Response：
         "record_time": 0,
         "word_count": 209
       },
-      "course_type_ratio": 
-    [
+      "course_type_info": {
+        "course_type_ratio": [
           {
-        "course_type": "口语",
-        "ratio": "30%"
+            "course_type": "Conversation",
+            "ratio": "10%"
+          },
+          {
+            "course_type": "Passage",
+            "ratio": "5%"
+          },
+          {
+            "course_type": "Function",
+            "ratio": "15%"
+          },
+          {
+            "course_type": "Phonics",
+            "ratio": "10%"
           },
           {
-        "course_type": "听力",
-        "ratio": "50%"
+            "course_type": "Examination",
+            "ratio": "10%"
+          },
+          {
+            "course_type": "Words",
+            "ratio": "10%"
           },
           {
-        "course_type": "测验",
+            "course_type": "Grammar",
+            "ratio": "20%"
+          },
+          {
+            "course_type": "Textbook",
             "ratio": "10%"
           },
           {
-        "course_type": "单词",
+            "course_type": "Music",
             "ratio": "10%"
           }
-    ]      
+        ],
+        "course_count": 324
+      }
     },
     "group_room_info": {
       "group_name": "BOXFiSH Online Teaching Group",