diff --git a/pyproject.toml b/pyproject.toml
index 382f625d..994195ec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ dependencies = [
     "pydantic>=2.11.3",
     "pyyaml>=6.0.2",
     "uvicorn>=0.34.2",
+    "yukilog>=0.1.1",
 ]
 
 [dependency-groups]
@@ -21,6 +22,23 @@ dev = [
     "ruff>=0.11.7",
 ]
 
+# build
+[build-system]
+requires = ["pdm-backend >= 2.4.0"]
+build-backend = "pdm.backend"
+
 [tool.ruff]
 line-length = 80
 src = ["liteyukibot", "main.py"]
+
+# index and sources
+[[tool.uv.index]]
+name = "liteyuki-pypi"
+url = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi/simple"
+publish-url = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi"
+explicit = true
+
+[tool.uv.sources]
+yukilog = [
+  { index = "liteyuki-pypi" },
+]
diff --git a/uv.lock b/uv.lock
index a94ec165..014950ff 100644
--- a/uv.lock
+++ b/uv.lock
@@ -138,6 +138,7 @@ dependencies = [
     { name = "pydantic" },
     { name = "pyyaml" },
     { name = "uvicorn" },
+    { name = "yukilog" },
 ]
 
 [package.dev-dependencies]
@@ -156,6 +157,7 @@ requires-dist = [
     { name = "pydantic", specifier = ">=2.11.3" },
     { name = "pyyaml", specifier = ">=6.0.2" },
     { name = "uvicorn", specifier = ">=0.34.2" },
+    { name = "yukilog", specifier = ">=0.1.1", index = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi/simple" },
 ]
 
 [package.metadata.requires-dev]
@@ -463,3 +465,15 @@ sdist = { url = "https://files.pythonhosted.org/packages/c9/4a/44d3c295350d77642
 wheels = [
     { url = "https://files.pythonhosted.org/packages/78/58/e860788190eba3bcce367f74d29c4675466ce8dddfba85f7827588416f01/wsproto-1.2.0-py3-none-any.whl", hash = "sha256:b9acddd652b585d75b20477888c56642fdade28bdfd3579aa24a4d2c037dd736", size = 24226 },
 ]
+
+[[package]]
+name = "yukilog"
+version = "0.1.1"
+source = { registry = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi/simple" }
+dependencies = [
+    { name = "loguru" },
+]
+sdist = { url = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi/files/yukilog/0.1.1/yukilog-0.1.1.tar.gz", hash = "sha256:aeaf3eed9828325196684fbf9fa284c8a2c01353f1ccdf9a2a649268b05b2da3" }
+wheels = [
+    { url = "https://git.liteyuki.icu/api/packages/LiteyukiStudio/pypi/files/yukilog/0.1.1/yukilog-0.1.1-py3-none-any.whl", hash = "sha256:27f778d22e6ca26e88197a413b268af709a64ef56c457dc533018da2e264248e" },
+]