diff --git a/data/tree.json b/data/tree.json
index 849ee85a12fdaa02a1cf3331b87e7c849b84f227..292d4255b555df2b79be74b4f644540563f02b25 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -697,7 +697,10 @@
                       ],
                       "children": [],
                       "keywords_must": [
-                        "Linux安装"
+                        [
+                          "linux",
+                          "安装"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1034,7 +1037,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "grep"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1045,7 +1051,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "awk"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1056,7 +1065,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "sed"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1067,7 +1079,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "lsof"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1078,7 +1093,14 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "df"
+                        ],
+                        [
+                          "linux",
+                          "du"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1089,7 +1111,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "tcpdump"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1100,7 +1125,10 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "netstat"
+                        ]
                       ],
                       "keywords_forbid": []
                     }
@@ -1111,7 +1139,14 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "Linux命令"
+                        [
+                          "linux",
+                          "curl"
+                        ],
+                        [
+                          "linux",
+                          "wget"
+                        ]
                       ],
                       "keywords_forbid": []
                     }