diff --git a/.changeset/neat-toes-doubt.md b/.changeset/neat-toes-doubt.md
new file mode 100644
index 0000000..17b614a
--- /dev/null
+++ b/.changeset/neat-toes-doubt.md
@@ -0,0 +1,7 @@
+---
+"@modern-js/codesmith": patch
+---
+
+fix: remove custom registry end /
+
+fix: 移除自定义 registry 结尾 /
diff --git a/packages/core/src/utils/getNpmPackageInfo.ts b/packages/core/src/utils/getNpmPackageInfo.ts
index c652154..8da3bd6 100644
--- a/packages/core/src/utils/getNpmPackageInfo.ts
+++ b/packages/core/src/utils/getNpmPackageInfo.ts
@@ -28,7 +28,7 @@ export async function getNpmPackageInfo(
   }
   const { registryUrl = await getNpmRegistry() } = options || {};
 
-  const url = `${registryUrl}/${pkgName}/${pkgVersion}`;
+  const url = `${registryUrl.replace(/\/$/, '')}/${pkgName}/${pkgVersion}`;
 
   const response = await timeoutPromise(
     axios.get(url),