diff --git a/scripts/release.ts b/scripts/release.ts
index c3915d9..38b5a80 100644
--- a/scripts/release.ts
+++ b/scripts/release.ts
@@ -2,13 +2,13 @@ import { readFileSync, writeFileSync } from "node:fs";
 import { createInterface } from "node:readline";
 import { join } from "node:path";
 
-interface Semver {
+export interface Semver {
   major: number;
   minor: number;
   patch: number;
 }
 
-type BumpType = "major" | "minor" | "patch";
+export type BumpType = "major" | "minor" | "patch";
 
 export function parseSemver(version: string): Semver {
   const parts = version.split(".");
@@ -194,7 +194,9 @@ async function main(): Promise<void> {
   console.log("[4/4] npm 发布完成");
 }
 
-main().catch((err: unknown) => {
-  console.error(err instanceof Error ? err.message : String(err));
-  process.exit(1);
-});
+if (import.meta.main) {
+  main().catch((err: unknown) => {
+    console.error(err instanceof Error ? err.message : String(err));
+    process.exit(1);
+  });
+}
diff --git a/tests/scripts/release.test.ts b/tests/scripts/release.test.ts
index 6d9ae93..bbccaa5 100644
--- a/tests/scripts/release.test.ts
+++ b/tests/scripts/release.test.ts
@@ -1,31 +1,5 @@
 import { describe, it, expect } from "bun:test";
-
-function parseSemver(version: string): { major: number; minor: number; patch: number } {
-  const parts = version.split(".");
-  if (parts.length !== 3) {
-    throw new Error(`无效的版本号格式: ${version}`);
-  }
-  const [major, minor, patch] = parts.map((p) => {
-    const n = Number(p);
-    if (Number.isNaN(n) || !Number.isInteger(n) || n < 0) {
-      throw new Error(`无效的版本号格式: ${version}`);
-    }
-    return n;
-  });
-  return { major: major!, minor: minor!, patch: patch! };
-}
-
-function bumpVersion(current: string, type: "major" | "minor" | "patch"): string {
-  const semver = parseSemver(current);
-  switch (type) {
-    case "major":
-      return `${semver.major + 1}.0.0`;
-    case "minor":
-      return `${semver.major}.${semver.minor + 1}.0`;
-    case "patch":
-      return `${semver.major}.${semver.minor}.${semver.patch + 1}`;
-  }
-}
+import { parseSemver, bumpVersion } from "../../scripts/release";
 
 describe("parseSemver", () => {
   it("解析标准版本号 1.2.3", () => {