diff --git a/data/index.json b/data/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..f1c77402100a50e2ae5574473e9b8ce146808be0
--- /dev/null
+++ b/data/index.json
@@ -0,0 +1,242 @@
+{
+  "jobs": [
+    {
+      "name": "C++工程师",
+      "level_name": "入门",
+      "router": "cpp_01"
+    },
+    {
+      "name": "C++工程师",
+      "level_name": "进阶",
+      "router": "cpp_02"
+    },
+    {
+      "name": "Java后端工程师",
+      "level_name": "入门",
+      "router": "javabf_01"
+    },
+    {
+      "name": "Java后端工程师",
+      "level_name": "进阶",
+      "router": "javabf_02"
+    },
+    {
+      "name": "Android工程师",
+      "level_name": "入门",
+      "router": "android_01"
+    },
+    {
+      "name": "Android工程师",
+      "level_name": "进阶",
+      "router": "android_02"
+    },
+    {
+      "name": "运维工程师",
+      "level_name": "入门",
+      "router": "devops_01"
+    },
+    {
+      "name": "运维工程师",
+      "level_name": "进阶",
+      "router": "devops_02"
+    },
+    {
+      "name": "搜索工程师",
+      "level_name": "入门",
+      "router": "search_01"
+    },
+    {
+      "name": "搜索工程师",
+      "level_name": "进阶",
+      "router": "search_02"
+    },
+    {
+      "name": "爬虫工程师",
+      "level_name": "入门",
+      "router": "crawler_01"
+    },
+    {
+      "name": "爬虫工程师",
+      "level_name": "进阶",
+      "router": "crawler_02"
+    },
+    {
+      "name": "Go后端工程师",
+      "level_name": "入门",
+      "router": "go_01"
+    },
+    {
+      "name": "Go后端工程师",
+      "level_name": "进阶",
+      "router": "go_02"
+    },
+    {
+      "name": "机器视觉工程师",
+      "level_name": "入门",
+      "router": "machinevision_01"
+    },
+    {
+      "name": "机器视觉工程师",
+      "level_name": "进阶",
+      "router": "machinevision_02"
+    },
+    {
+      "name": "测试工程师",
+      "level_name": "入门",
+      "router": "test_01"
+    },
+    {
+      "name": "测试工程师",
+      "level_name": "进阶",
+      "router": "test_02"
+    },
+    {
+      "name": "BI 工程师",
+      "level_name": "入门",
+      "router": "bi_01"
+    },
+    {
+      "name": "BI 工程师",
+      "level_name": "进阶",
+      "router": "bi_02"
+    },
+    {
+      "name": "PHP工程师",
+      "level_name": "入门",
+      "router": "php_01"
+    },
+    {
+      "name": "PHP工程师",
+      "level_name": "进阶",
+      "router": "php_02"
+    },
+    {
+      "name": "前端工程师",
+      "level_name": "入门",
+      "router": "web_01"
+    },
+    {
+      "name": "前端工程师",
+      "level_name": "进阶",
+      "router": "web_02"
+    },
+    {
+      "name": "iOS工程师",
+      "level_name": "入门",
+      "router": "ios_01"
+    },
+    {
+      "name": "iOS工程师",
+      "level_name": "进阶",
+      "router": "ios_02"
+    },
+    {
+      "name": "后端构架师",
+      "level_name": "入门",
+      "router": "archit_01"
+    },
+    {
+      "name": "后端构架师",
+      "level_name": "进阶",
+      "router": "archit_02"
+    },
+    {
+      "name": "产品",
+      "level_name": "入门",
+      "router": "product_01"
+    },
+    {
+      "name": "产品",
+      "level_name": "进阶",
+      "router": "product_02"
+    },
+    {
+      "name": "大数据工程师",
+      "level_name": "入门",
+      "router": "bigdata_01"
+    },
+    {
+      "name": "大数据工程师",
+      "level_name": "进阶",
+      "router": "bigdata_02"
+    },
+    {
+      "name": "自然语言处理工程师",
+      "level_name": "入门",
+      "router": "nlp_01"
+    },
+    {
+      "name": "自然语言处理工程师",
+      "level_name": "进阶",
+      "router": "nlp_02"
+    },
+    {
+      "name": "运营",
+      "level_name": "入门",
+      "router": "operations_01"
+    },
+    {
+      "name": "运营",
+      "level_name": "进阶",
+      "router": "operations_02"
+    },
+    {
+      "name": "算法工程师",
+      "level_name": "入门",
+      "router": "algo_01"
+    },
+    {
+      "name": "算法工程师",
+      "level_name": "进阶",
+      "router": "algo_02"
+    }
+  ],
+  "trees": [
+    "ai",
+    "algorithm",
+    "algorithm02",
+    "android",
+    "c",
+    "cassandra",
+    "cloud_native",
+    "cpp",
+    "devops",
+    "distrubute",
+    "flutter",
+    "gml",
+    "go",
+    "goplus",
+    "hadoop",
+    "java",
+    "k8s",
+    "kafka",
+    "mongodb",
+    "mq",
+    "mysql",
+    "neo4j",
+    "network",
+    "nginx",
+    "nlp",
+    "opencv",
+    "operation",
+    "operations",
+    "pg",
+    "php",
+    "product",
+    "python",
+    "python02",
+    "react",
+    "redis",
+    "rust",
+    "scala",
+    "search",
+    "spark",
+    "springboot",
+    "springcloud",
+    "swift",
+    "test",
+    "vue",
+    "web",
+    "weixin"
+  ]
+}
\ No newline at end of file
diff --git a/data/package/job/algo.json b/data/package/job/algo.json
index add9075cbe8010143e31fc0dfbca924cd5b64967..b254cf6a19ba37f72c34626e5f53743a8d9c3f7f 100644
--- a/data/package/job/algo.json
+++ b/data/package/job/algo.json
@@ -10,10 +10,17 @@
       "level_id": "pkg-algo-level-1b8296e8c947421981ca1f4ea920878a",
       "skill_trees": [
         "gml",
+        "c",
         "algorithm",
-        "c"
+        "python",
+        "mysql"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "c",
+        "algorithm",
+        "python"
+      ]
     },
     {
       "level": "02",
@@ -23,7 +30,10 @@
         "python02",
         "ai"
       ],
-      "recommend_skill_trees": [],
+      "recommend_skill_trees": [
+        "algorithm02",
+        "python02"
+      ],
       "level_id": "pkg-algo-level-0e0f4c2d372c4be6a4954c1e8e29a3bc"
     }
   ]
diff --git a/data/package/job/android.json b/data/package/job/android.json
index f8cee11d96f137ec01a63e43e47ac9eec36bad91..82234009b4de35afe3b20877c7e69f4868530392 100644
--- a/data/package/job/android.json
+++ b/data/package/job/android.json
@@ -11,7 +11,8 @@
       "skill_trees": [
         "gml",
         "java",
-        "android"
+        "android",
+        "web"
       ],
       "recommend_skill_trees": []
     },
@@ -19,7 +20,7 @@
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "react",
+        "vue",
         "weixin",
         "flutter"
       ],
diff --git a/data/package/job/architecture.json b/data/package/job/architecture.json
index badc2b1f5af66c2147af4263e288dc88926ebaff..185723043e411f803e03cb7d8ebbc218fd48665e 100644
--- a/data/package/job/architecture.json
+++ b/data/package/job/architecture.json
@@ -10,28 +10,36 @@
       "level_id": "pkg-archit-level-634117d27ab1492db3d6e973e122f8c3",
       "skill_trees": [
         "gml",
-        "algorithm",
         "network",
-        "java",
+        "devops",
+        "springboot",
         "nginx",
-        "devops"
+        "mysql",
+        "redis",
+        "mq"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "network",
+        "pg",
+        "cloud_native"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "springboot",
         "springcloud",
-        "mysql",
         "pg",
         "mongodb",
+        "distrubute",
         "go",
-        "node.js",
         "cloud_native"
       ],
-      "recommend_skill_trees": [],
+      "recommend_skill_trees": [
+        "pg",
+        "cloud_native"
+      ],
       "level_id": "pkg-archit-level-ce6121fa7a9c4a58aa9852da2bac850f"
     }
   ]
diff --git a/data/package/job/bi.json b/data/package/job/bi.json
index 673224e61d4fb2658b2178c1827751388a1f8c0c..ab70cc3ca527c96028f497b7c7a200c7fe6fe01d 100644
--- a/data/package/job/bi.json
+++ b/data/package/job/bi.json
@@ -1,39 +1,38 @@
 {
-  "type": "job",
-  "package": "bi",
-  "package_name": "BI 工程师",
-  "package_id": "pkg-bi-9a7a46b309f34c9bb6265a38201107fb",
-  "levels": [
-    {
-      "level": "01",
-      "level_name": "入门",
-      "level_id": "pkg-bi-level-76c708906e844631a0083e4d8b8749ae",
-      "skill_trees": [
-        "gml",
-        "python",
-        "algorithm",
-        "mysql"
-      ],
-      "recommend_skill_trees": [
-        "python02",
-        "algorithm02",
-        "pg"
-      ]
-    },
-    {
-      "level": "02",
-      "level_name": "进阶",
-      "skill_trees": [
-        "gml",
-        "python",
-        "algorithm"
-      ],
-      "recommend_skill_trees": [
-        "python02",
-        "algorithm02",
-        "pg"
-      ],
-      "level_id": "pkg-bi-level-0046fafee14640c7b5aa29cc97b17a8a"
-    }
-  ]
+    "type": "job",
+    "package": "bi",
+    "package_name": "BI 工程师",
+    "package_id": "pkg-bi-9a7a46b309f34c9bb6265a38201107fb",
+    "levels": [
+        {
+            "level": "01",
+            "level_name": "入门",
+            "level_id": "pkg-bi-level-76c708906e844631a0083e4d8b8749ae",
+            "skill_trees": [
+                "gml",
+                "python",
+                "mysql"
+            ],
+            "recommend_skill_trees": [
+                "gml",
+                "python",
+                "pg"
+            ]
+        },
+        {
+            "level": "02",
+            "level_name": "进阶",
+            "skill_trees": [
+                "redis",
+                "pg",
+                "mongodb",
+                "hadoop",
+                "scala"
+            ],
+            "recommend_skill_trees": [
+                "pg"
+            ],
+            "level_id": "pkg-bi-level-0046fafee14640c7b5aa29cc97b17a8a"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/data/package/job/big_data.json b/data/package/job/big_data.json
index c297a07a9ece8e30f934ed9b29b7e36fae26adfe..01bb0a97506e45b6f880446b52f4ea1d727238e6 100644
--- a/data/package/job/big_data.json
+++ b/data/package/job/big_data.json
@@ -10,16 +10,30 @@
       "level_id": "pkg-bigdata-level-c208cec9d183455588265813fcdf56bd",
       "skill_trees": [
         "gml",
-        "algorithm",
-        "java"
+        "python",
+        "mysql",
+        "redis",
+        "java",
+        "hadoop"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "python",
+        "java"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+          "scala",
+          "spark",
+          "kafka",
+          "cassandra"
+      ],
+      "recommend_skill_trees": [
+          "pg"
+      ],
       "level_id": "pkg-bigdata-level-8e2a8fb109424596a667bcc613db93c1"
     }
   ]
diff --git a/data/package/job/cpp.json b/data/package/job/cpp.json
index 21c060ac618bacc99885ea225e8addd8a669792e..2165370a08cdc882b20f5140308a34152b51b3b9 100644
--- a/data/package/job/cpp.json
+++ b/data/package/job/cpp.json
@@ -10,16 +10,29 @@
       "level_id": "pkg-cpp-level-6205ebd891544d8cadab543433b3b951",
       "skill_trees": [
         "gml",
+        "c",
         "algorithm",
+        "network",
+        "cpp"
+      ],
+      "recommend_skill_trees": [
+        "gml",
         "c",
+        "algorithm",
         "network"
-      ],
-      "recommend_skill_trees": []
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
+      "skill_trees": [
+          "rust",
+          "go",
+          "devops",
+          "mysql",
+          "pg",
+          "redis"
+      ],
       "recommend_skill_trees": [],
       "level_id": "pkg-cpp-level-0aef5db1bcca497789fbc1ab8863bd7d"
     }
diff --git a/data/package/job/crawler.json b/data/package/job/crawler.json
index 832d0838df7bd6a5687a79d4aa82fb82784d8f04..bba476e94401e41926198801d7c5a30d25f41103 100644
--- a/data/package/job/crawler.json
+++ b/data/package/job/crawler.json
@@ -10,12 +10,18 @@
       "level_id": "pkg-crawler-level-2d99f3f4e3e3416092f46f8b901efae1",
       "skill_trees": [
         "gml",
-        "python",
         "algorithm",
+        "python",
         "mysql",
-        "network"
+        "network",
+        "web"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "algorithm",
+        "python",
+        "network"
+      ]
     },
     {
       "level": "02",
@@ -23,10 +29,13 @@
       "skill_trees": [
         "python02",
         "algorithm02",
-        "web",
+        "mysql"
+      ],
+      "recommend_skill_trees": [
+        "python02",
+        "algorithm02",
         "pg"
       ],
-      "recommend_skill_trees": [],
       "level_id": "pkg-crawler-level-6035cb39f6d14637810beaeb8fecb168"
     }
   ]
diff --git a/data/package/job/devops.json b/data/package/job/devops.json
index de28fb84e6f73b45df8858518c75fdc8945461fb..29e02357ba1abf9d8d9444efdb4ccd4ae3482896 100644
--- a/data/package/job/devops.json
+++ b/data/package/job/devops.json
@@ -11,21 +11,28 @@
       "skill_trees": [
         "gml",
         "python",
-        "mysql"
+        "network",
+        "mysql",
+        "devops"
       ],
       "recommend_skill_trees": [
-        "devops",
-        "cloud_native",
-        "pg"
+        "gml",
+        "network"
       ]
     },
     {
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "network02"
+        "pg",
+        "cloud_native",
+        "k8s"
+      ],
+      "recommend_skill_trees": [
+        "cloud_native",
+        "pg",
+        "k8s"
       ],
-      "recommend_skill_trees": [],
       "level_id": "pkg-devops-level-5c902f5daeb44c96811e791e3bf1a90a"
     }
   ]
diff --git a/data/package/job/go_backend.json b/data/package/job/go_backend.json
index 6300e09b3b3c1709f24f420ebff0df4a712caccb..d63684e2ed3b05e530f756327b8840e4da7eb9d6 100644
--- a/data/package/job/go_backend.json
+++ b/data/package/job/go_backend.json
@@ -11,15 +11,28 @@
       "skill_trees": [
         "gml",
         "algorithm",
-        "network"
+        "network",
+        "go"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "algorithm",
+        "network"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+        "c",
+        "goplus",
+        "rust",
+        "cloud_native"
+      ],
+      "recommend_skill_trees": [
+        "c",
+        "cloud_native"
+      ],
       "level_id": "pkg-go-level-d2faef92de2042e79f0cb16d3016c10c"
     }
   ]
diff --git a/data/package/job/ios.json b/data/package/job/ios.json
index b99906e3a2aec890a2b400eb5830e475ad9b5def..e1eea2d90c0b5ee00384a7ffc219eca2d8561c6f 100644
--- a/data/package/job/ios.json
+++ b/data/package/job/ios.json
@@ -8,14 +8,25 @@
       "level": "01",
       "level_name": "入门",
       "level_id": "pkg-ios-level-dd40b98b3ede4f738ac67b72b985b8b5",
-      "skill_trees": [],
-      "recommend_skill_trees": []
+      "skill_trees": [
+          "web",
+          "swift"
+      ],
+      "recommend_skill_trees": [
+          "java"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+        "vue",
+        "weixin",
+        "flutter"
+      ],
+      "recommend_skill_trees": [
+        "web"
+      ],
       "level_id": "pkg-ios-level-17042027e678450f95732320c7ed023d"
     }
   ]
diff --git a/data/package/job/java_backend.json b/data/package/job/java_backend.json
index c2168c7a72782f9498aaf4ea5f231a9565119207..b4e6d39c9e4a87f32734412d81b70ab99d933062 100644
--- a/data/package/job/java_backend.json
+++ b/data/package/job/java_backend.json
@@ -18,8 +18,7 @@
       "recommend_skill_trees": [
         "gml",
         "algorithm",
-        "java",
-        "springboot"
+        "java"
       ]
     },
     {
@@ -27,17 +26,13 @@
       "level_name": "进阶",
       "level_id": "pkg-javabf-level-91f3e6a6f5624acfb422f3951177cb6e",
       "skill_trees": [
-        "gml",
-        "algorithm",
-        "java",
-        "springboot",
-        "mysql"
+        "springcloud",
+        "pg"
       ],
       "recommend_skill_trees": [
         "gml",
         "algorithm",
-        "java",
-        "springboot"
+        "java"
       ]
     }
   ]
diff --git a/data/package/job/machine_vision.json b/data/package/job/machine_vision.json
index 43d767453b7ba179b9ebab2b1b01b6968f399cf2..3d3833ece2e0cb8d1faba2ca92b7b918851586d8 100644
--- a/data/package/job/machine_vision.json
+++ b/data/package/job/machine_vision.json
@@ -11,15 +11,30 @@
       "skill_trees": [
         "gml",
         "algorithm",
-        "c"
+        "c",
+        "python",
+        "opencv"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "algorithm",
+        "c",
+        "python",
+        "opencv"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+        "python02",
+        "nlp",
+        "neo4j"
+      ],
+      "recommend_skill_trees": [
+        "python02",
+        "neo4j"
+      ],
       "level_id": "pkg-machinevision-level-bbcc2444f218474aa445df6ca08c5cfb"
     }
   ]
diff --git a/data/package/job/nlp.json b/data/package/job/nlp.json
index 7ca51fc858ad3c28911544ccdc98a4ede040a79e..1acda2d57bb86efe21b719fbb3a1e9fc40bcacef 100644
--- a/data/package/job/nlp.json
+++ b/data/package/job/nlp.json
@@ -10,15 +10,29 @@
       "level_id": "pkg-nlp-level-5317f0fbf4414d87b6d028e421d16396",
       "skill_trees": [
         "gml",
-        "algorithm"
+        "algorithm",
+        "python",
+        "python02"
       ],
       "recommend_skill_trees": []
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+          "nlp",
+          "opencv",
+          "neo4j",
+          "spark",
+          "mysql",
+          "redis",
+          "pg"
+      ],
+      "recommend_skill_trees": [
+        "opencv",
+        "neo4j",
+        "pg"
+      ],
       "level_id": "pkg-nlp-level-4f5c84c95f26440393a69a4181d03a65"
     }
   ]
diff --git a/data/package/job/php.json b/data/package/job/php.json
index e46b36ec0278130f4b7661d9f3b09e0ff1f835aa..8a4193d2341e17dbfd4478af63ef2a0086714657 100644
--- a/data/package/job/php.json
+++ b/data/package/job/php.json
@@ -8,14 +8,31 @@
       "level": "01",
       "level_name": "入门",
       "level_id": "pkg-php-level-c8c35ceafdc447198f15f628a745699f",
-      "skill_trees": [],
-      "recommend_skill_trees": []
+      "skill_trees": [
+        "gml",
+        "web",
+        "php",
+        "mysql"
+      ],
+      "recommend_skill_trees": [
+        "gml",
+        "pg"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
-      "skill_trees": [],
-      "recommend_skill_trees": [],
+      "skill_trees": [
+          "go",
+          "java",
+          "springboot",
+          "pg",
+          "mongodb"
+      ],
+      "recommend_skill_trees": [
+          "java",
+          "pg"
+      ],
       "level_id": "pkg-php-level-3a99b53332c9429b8f32669e74ab9f35"
     }
   ]
diff --git a/data/package/job/product.json b/data/package/job/product.json
index 62c6234719cf69d043be6b01c5c8d0d8ab17d39c..2469a1583f3486d0e231c7a2514246313f62cb75 100644
--- a/data/package/job/product.json
+++ b/data/package/job/product.json
@@ -11,15 +11,19 @@
       "skill_trees": [
         "product"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "se"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "se"
+        "operation"
+      ],
+      "recommend_skill_trees": [
+        "se02"
       ],
-      "recommend_skill_trees": [],
       "level_id": "pkg-product-level-995424592df44bc99c88233f341bde94"
     }
   ]
diff --git a/data/package/job/search.json b/data/package/job/search.json
index 1cf86f490d2ead341ab3c81b5ee6d20132c7a75e..0d22fcfe67de5d02313883e8e15f56c1460eb8b9 100644
--- a/data/package/job/search.json
+++ b/data/package/job/search.json
@@ -12,17 +12,30 @@
         "gml",
         "algorithm",
         "java",
-        "search"
+        "search",
+        "python",
+        "mysql"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "algorithm",
+        "java",
+        "python"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "elastic"
+        "python02",
+        "nlp",
+        "pg",
+        "redis"
+      ],
+      "recommend_skill_trees": [
+        "python02",
+        "pg"
       ],
-      "recommend_skill_trees": [],
       "level_id": "pkg-search-level-e3ddce54bc304fc290a76a437fd4791c"
     }
   ]
diff --git a/data/package/job/test.json b/data/package/job/test.json
index 2401aa406cba58dc0c4073b11f2ddc2ff7f764c5..fcd17bab1475440d5924441a97122ccb44d9d50f 100644
--- a/data/package/job/test.json
+++ b/data/package/job/test.json
@@ -10,20 +10,24 @@
       "level_id": "pkg-test-level-8207808da42c4869b7235e0df8e88a72",
       "skill_trees": [
         "gml",
-        "web",
         "python",
-        "gml"
+        "test"
       ],
-      "recommend_skill_trees": []
+      "recommend_skill_trees": [
+        "gml",
+        "python"
+      ]
     },
     {
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
-        "java"
+        "web",
+        "mysql",
+        "devops"
       ],
       "recommend_skill_trees": [
-        "network02"
+        "pg"
       ],
       "level_id": "pkg-test-level-85e8c4269c4f4e23b6012ebc8d31e05f"
     }
diff --git a/data/package/job/web.json b/data/package/job/web.json
index 3546c46d1a623308bbf122582dcea11ab0dc6c75..d4034c3b2a76a81ca7d0383e8ae11ec839502fe0 100644
--- a/data/package/job/web.json
+++ b/data/package/job/web.json
@@ -19,8 +19,9 @@
       "level": "02",
       "level_name": "进阶",
       "skill_trees": [
+        "weixin",
         "react",
-        "weixin"
+        "flutter"
       ],
       "recommend_skill_trees": [],
       "level_id": "pkg-web-level-7d906e7132dd43438cd70216f697999e"
diff --git a/main.py b/main.py
index 9b1957c25f2454666ac917512c8b510836b9e71c..93992d9d5859fb47c535a8f09ba0cc5222f9ec8c 100644
--- a/main.py
+++ b/main.py
@@ -2,4 +2,5 @@ from src.main.package import Package
 
 if __name__ == '__main__':
     p = Package('data/package/')
-    p.walk()
+    # p.walk()
+    p.list()
diff --git a/src/main/package.py b/src/main/package.py
index 394122af94b6e1ae0465a9e9e07663c307d15ba7..e223ab804444949dc900c0eba0962226e9c59612 100644
--- a/src/main/package.py
+++ b/src/main/package.py
@@ -28,3 +28,40 @@ class Package:
             if level.get('level_id') is None or level.get('level_id') == '':
                 level['level_id'] = f'pkg-{pacakge}-level-'+uuid.uuid4().hex
         dump_json(file_full_name, pkg, exist_ok=True, override=True)
+
+    def list(self):
+        pkg_list = []
+        tree_list = []
+        for base, dirs, files in os.walk(self.root):
+            for file_name in files:
+                file_full_name = os.path.join(base, file_name)
+                _, ext = os.path.splitext(file_name)
+                if ext == '.json':
+                    print(file_full_name)
+                    pkg = load_json(file_full_name)
+                    if pkg.get('type') == 'job':
+                        self.list_package(file_full_name, pkg,
+                                          pkg_list, tree_list)
+        out = {
+            'jobs': pkg_list,
+            'trees': sorted(list(set(tree_list)))
+        }
+        dump_json('data/index.json', out, exist_ok=True, override=True)
+
+    def list_package(self, file_full_name, pkg, pkg_list, tree_list):
+        package = pkg['package']
+        package_name = pkg['package_name']
+        levels = pkg['levels']
+        for level in levels:
+            level_en = level['level']
+            level_name = level['level_name']
+            skill_trees = level['skill_trees']
+
+            package_level = f'{package}_{level_en}'
+            pkg_list.append({
+                'name': package_name,
+                'level_name': level_name,
+                'router': package_level
+            })
+            for skill_tree in skill_trees:
+                tree_list.append(skill_tree)