diff --git a/data/intro_info/skill_tree.json b/data/intro_info/skill_tree.json
new file mode 100644
index 0000000000000000000000000000000000000000..f04b8fc0a9c539923a6ea61aad6ab1ffef3e8c6b
--- /dev/null
+++ b/data/intro_info/skill_tree.json
@@ -0,0 +1,42 @@
+{
+    "opencv": {
+        "id": "124016032",
+        "username": "CSDNedu"
+    },
+    "algorithm": {
+        "id": "124018103",
+        "username": "CSDNedu"
+    },
+    "c": {
+        "id": "124015351",
+        "username": "CSDNedu"
+    },
+    "pg": {
+        "id": "124017906",
+        "username": "CSDNedu"
+    },
+    "network": {
+        "id": "124017312",
+        "username": "CSDNedu"
+    },
+    "gml": {
+        "id": "124016401",
+        "username": "CSDNedu"
+    },
+    "cloud_native": {
+        "id": "124018359",
+        "username": "CSDNedu"
+    },
+    "neo4j": {
+        "id": "124016274",
+        "username": "CSDNedu"
+    },
+    "java": {
+        "id": "124014706",
+        "username": "CSDNedu"
+    },
+    "python": {
+        "id": "124011216",
+        "username": "CSDNedu"
+    }
+}
\ No newline at end of file