diff --git a/scripts/release.ts b/scripts/release.ts
index e3fbb89..761f215 100644
--- a/scripts/release.ts
+++ b/scripts/release.ts
@@ -66,6 +66,9 @@ async function selectBumpType(): Promise<BumpType> {
 async function stepBumpVersion(): Promise<string> {
   const pkgPath = join(import.meta.dir, "..", "package.json");
   const pkg = JSON.parse(readFileSync(pkgPath, "utf-8")) as { version: string };
+  if (typeof pkg.version !== "string" || pkg.version.length === 0) {
+    throw new Error("package.json 中缺少有效的 version 字段");
+  }
   const currentVersion = pkg.version;
 
   const bumpType = await selectBumpType();