diff --git a/data/projects.js b/data/projects.js
index 9a93a9a..13de556 100644
--- a/data/projects.js
+++ b/data/projects.js
@@ -4,7 +4,7 @@ const projects = [
     description: "C++ 기반 한국어 프로그래밍 언어 인터프리터. Lexer, Parser, AST, 메모리 관리를 직접 설계·구현. React 기반 온라인 플레이그라운드도 함께 개발.",
     tags: ["C++", "React"],
     links: [
-      { label: "GitHub", url: "https://github.com/tolelom" }
+      { label: "GitHub", url: "https://github.com/hongik2023graduationproject/" }
     ],
     category: "언어 개발",
     period: "2023.03 ~ 진행 중"
@@ -15,18 +15,21 @@ const projects = [
     tags: ["Go Fiber", "WebSocket", "React", "Python", "OpenAI API"],
     links: [
       { label: "sion.tolelom.xyz", url: "https://sion.tolelom.xyz" },
-      { label: "GitHub", url: "https://github.com/tolelom" }
+      { label: "Core", url: "https://github.com/tolelom/sion" },
+      { label: "Backend", url: "https://github.com/tolelom/sion-backend" },
+      { label: "Frontend", url: "https://github.com/tolelom/sion-frontend" }
     ],
     category: "IoT",
     period: "2025.12"
   },
   {
-    name: "One of the Plans (A301)",
+    name: "One of the Plans",
     description: "블록체인 연동 게임 플랫폼. Go 기반 게임 서버와 프라이빗 블록체인(PoA 합의, JSON-RPC, LevelDB)을 직접 구현. Go 게임 런처 개발.",
     tags: ["Go", "LevelDB", "Prometheus", "Docker"],
     links: [
       { label: "a301.tolelom.xyz", url: "https://a301.tolelom.xyz" },
-      { label: "GitHub", url: "https://github.com/tolelom" }
+      { label: "tolchain", url: "https://github.com/tolelom/tolchain" },
+      { label: "Gitea", url: "https://git.tolelom.xyz/A301/" }
     ],
     category: "게임",
     period: "2026.02 ~ 진행 중"
@@ -37,7 +40,7 @@ const projects = [
     tags: ["Go Fiber", "Redis", "React", "CI/CD"],
     links: [
       { label: "blog.tolelom.xyz", url: "https://blog.tolelom.xyz" },
-      { label: "GitHub", url: "https://github.com/tolelom" }
+      { label: "GitHub", url: "https://github.com/tolelom/tolelog" }
     ],
     category: "웹",
     period: "2025.09 ~ 진행 중"