remove nodes more than 5 children

data/2.网络中阶/1.交换/2.链路聚合/config.json

@@ -6,8 +6,7 @@
   "children": [],
   "export": [
     "01.json",
-    "02.json",
-    "03.json"
+    "02.json"
   ],
   "keywords_must": [],
   "keywords_forbid": []

data/2.网络中阶/1.交换/3.STP/01.md

@@ -6,6 +6,8 @@ STP是一种由交换机运行的、用来解决网络中环路问题的（）
 
 数据链路层
 
+## 选项
+
 ### A
 
 网络层

data/2.网络中阶/1.交换/3.STP/04.json

+{
+  "type": "code_options",
+  "author": "鸡腿",
+  "source": "04.md",
+  "notebook_enable": false,
+  "exercise_id": "aba20357c9e44076bffd3d88a85b619f"
+}
\ No newline at end of file

data/2.网络中阶/1.交换/3.STP/config.json

@@ -8,7 +8,8 @@
   "export": [
     "01.json",
     "02.json",
-    "03.json"
+    "03.json",
+    "04.json"
   ],
   "keywords_must": ["冗余链路","STP","环路问题"],
   "keywords_forbid": ["RIP","ISIS","BGP"]

data/3.网络高阶/1.PPP/1.PPP概述/config.json

@@ -5,9 +5,6 @@
   ],
   "children": [],
   "export": [
-    "data_3.网络高阶_1.PPP_1.PPP概述_01.json",
-    "data_3.网络高阶_1.PPP_1.PPP概述_02.json",
-    "data_3.网络高阶_1.PPP_1.PPP概述_03.json",
     "01.json",
     "02.json",
     "03.json"

data/tree.json

@@ -861,7 +861,8 @@
                         "RIP",
                         "ISIS",
                         "BGP"
-                      ]
+                      ],
+                      "group": 0
                     }
                   }
                 ],
@@ -930,7 +931,8 @@
                         "RIP",
                         "OSPF",
                         "内部网关协议"
-                      ]
+                      ],
+                      "group": 0
                     }
                   },
                   {
@@ -1071,7 +1073,8 @@
                         "PPP",
                         "VRRP",
                         "RIP"
-                      ]
+                      ],
+                      "group": 0
                     }
                   },
                   {
@@ -1087,7 +1090,8 @@
                       ],
                       "keywords_forbid": [
                         "QoE"
-                      ]
+                      ],
+                      "group": 0
                     }
                   }
                 ],