diff --git a/pyproject.toml b/pyproject.toml
index 5d557bb..d3e7e44 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ dependencies = [
     "alembic>=1.19.1",
     "aiofiles>=24.1.0",
     "pymysql>=1.2.0",
+    "wechatpayv3>=2.0.3",
 ]
 
 [dependency-groups]
@@ -40,6 +41,10 @@ build-backend = "hatchling.build"
 [tool.hatch.build.targets.wheel]
 packages = ["app"]
 
+[[tool.uv.index]]
+url = "https://mirrors.aliyun.com/pypi/simple/"
+default = true
+
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 addopts = "-q"
diff --git a/uv.lock b/uv.lock
index f5a0c47..8b90d96 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1453,6 +1453,7 @@ dependencies = [
     { name = "sqlalchemy", extra = ["asyncio"] },
     { name = "uvicorn", extra = ["standard"] },
     { name = "websockets" },
+    { name = "wechatpayv3" },
 ]
 
 [package.dev-dependencies]
@@ -1483,6 +1484,7 @@ requires-dist = [
     { name = "sqlalchemy", extras = ["asyncio"], specifier = ">=2.0.30" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.30.0" },
     { name = "websockets", specifier = ">=17.0.1" },
+    { name = "wechatpayv3", specifier = ">=2.0.3" },
 ]
 
 [package.metadata.requires-dev]
@@ -2383,6 +2385,19 @@ wheels = [
     { url = "https://mirrors.cloud.tencent.com/pypi/packages/41/63/23572870e01836a98346075b9e17a8bc24a6ddd9800a3204ceee58677f3c/websockets-17.1-py3-none-any.whl", hash = "sha256:f221081107b8c48184d99f7019604486376e7ef826037e70aad6b02540732c23" },
 ]
 
+[[package]]
+name = "wechatpayv3"
+version = "2.0.3"
+source = { registry = "https://mirrors.cloud.tencent.com/pypi/simple/" }
+dependencies = [
+    { name = "cryptography" },
+    { name = "requests" },
+]
+sdist = { url = "https://mirrors.cloud.tencent.com/pypi/packages/56/f6/c7d17fbf2612a1786650dbf2532831af40d2869eb82bd4757386a060640e/wechatpayv3-2.0.3.tar.gz", hash = "sha256:d2221884a1ac703b2bb904f6cdb8aaffa9bb9f41abd3ed1893d4fcd783905ccb" }
+wheels = [
+    { url = "https://mirrors.cloud.tencent.com/pypi/packages/d1/60/e98049e6de1d66833506f75e478bef7091b3084bd251f7e1360d77ce117b/wechatpayv3-2.0.3-py3-none-any.whl", hash = "sha256:c5fa90fb7e66083e16c6e0d5c5af4489958de183de316c109343a204a29f9587" },
+]
+
 [[package]]
 name = "wrapt"
 version = "1.17.3"