diff --git "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/2.\344\270\211\345\205\203\350\241\250\350\276\276\345\274\217/config.json" "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/2.\344\270\211\345\205\203\350\241\250\350\276\276\345\274\217/config.json"
index ad7213b98ffa698d39f7749c5ad7fb28dcb035b6..5158857a013f47ea8c389ff2103f505acc3da52c 100644
--- "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/2.\344\270\211\345\205\203\350\241\250\350\276\276\345\274\217/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/2.\344\270\211\345\205\203\350\241\250\350\276\276\345\274\217/config.json"
@@ -7,7 +7,8 @@
   "children": [],
   "node_id": "python-3-18",
   "keywords_must": [
-    "三元表达式"
+    ["三元", "表达式"],
+    ["三目", "运算符"]
   ],
   "keywords_forbid": []
 }
\ No newline at end of file
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/6.\346\227\240\347\233\221\347\235\243\345\255\246\344\271\240\342\200\224\350\201\232\347\261\273/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/6.\346\227\240\347\233\221\347\235\243\345\255\246\344\271\240\342\200\224\350\201\232\347\261\273/config.json"
index ef93b2297f81ce76907fea5aa30d0ddd3f59a1f2..68bbd36716013a88269727de971cf02f1e9d798d 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/6.\346\227\240\347\233\221\347\235\243\345\255\246\344\271\240\342\200\224\350\201\232\347\261\273/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/6.\346\227\240\347\233\221\347\235\243\345\255\246\344\271\240\342\200\224\350\201\232\347\261\273/config.json"
@@ -9,7 +9,12 @@
         "keywords": [],
         "children": [],
         "node_id": "python-4-1397",
-        "keywords_must": [],
+        "keywords_must": [
+          "聚类",
+          "K均值",
+          "kmeans",
+          "k-means"
+        ],
         "keywords_forbid": []
       }
     },
@@ -88,6 +93,8 @@
     }
   ],
   "node_id": "python-3-252",
-  "keywords_must": [],
+  "keywords_must": [
+    "聚类"
+  ],
   "keywords_forbid": []
 }
\ No newline at end of file
diff --git a/data/tree.json b/data/tree.json
index 128596961c8e17d4bae41fcd164d61c7d86143cc..097b43514827e2bd620a7edad7702309a8ed2a87 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -1425,7 +1425,14 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [
-                        "三元表达式"
+                        [
+                          "三元",
+                          "表达式"
+                        ],
+                        [
+                          "三目",
+                          "运算符"
+                        ]
                       ],
                       "keywords_forbid": [],
                       "group": 0,
@@ -6363,7 +6370,12 @@
                             "keywords": [],
                             "children": [],
                             "node_id": "python-4-1397",
-                            "keywords_must": [],
+                            "keywords_must": [
+                              "聚类",
+                              "K均值",
+                              "kmeans",
+                              "k-means"
+                            ],
                             "keywords_forbid": []
                           }
                         },
@@ -6441,7 +6453,9 @@
                           }
                         }
                       ],
-                      "keywords_must": [],
+                      "keywords_must": [
+                        "聚类"
+                      ],
                       "keywords_forbid": [],
                       "group": 0,
                       "subtree": ""