diff --git a/data/recommend/skill_tree.json b/data/recommend/skill_tree.json
index 1c05690eaed9980ac2656a39d696fd450f2259b5..ce591874e06a5cd96244d66742208c753c04e340 100644
--- a/data/recommend/skill_tree.json
+++ b/data/recommend/skill_tree.json
@@ -16,7 +16,8 @@
     ],
     "c": [
         "python",
-        "algorithm"
+        "algorithm",
+        "cuda"
     ],
     "java": [
         "pg",
@@ -43,5 +44,8 @@
     "vue": [
         "gml",
         "python"
+    ],
+    "cuda": [
+        "c"
     ]
 }
\ No newline at end of file