diff --git a/src/plugins/loader.test.ts b/src/plugins/loader.test.ts
index 650fccfd25f..cb76c0da133 100644
--- a/src/plugins/loader.test.ts
+++ b/src/plugins/loader.test.ts
@@ -837,6 +837,24 @@ afterAll(() => {
 });
 
 describe("loadOpenClawPlugins", () => {
+  it("refreshes bundled plugin-sdk aliases without deleting the shared alias directory", () => {
+    const distRoot = makeTempDir();
+    const pluginSdkDir = path.join(distRoot, "plugin-sdk");
+    const aliasDir = path.join(distRoot, "extensions", "node_modules", "openclaw", "plugin-sdk");
+    mkdirSafe(pluginSdkDir);
+    mkdirSafe(aliasDir);
+    fs.writeFileSync(path.join(pluginSdkDir, "index.js"), "export const value = 1;\n", "utf8");
+    fs.writeFileSync(path.join(pluginSdkDir, "core.js"), "export const core = 1;\n", "utf8");
+    fs.writeFileSync(path.join(aliasDir, "sentinel.txt"), "keep\n", "utf8");
+
+    __testing.ensureOpenClawPluginSdkAlias(distRoot);
+    fs.writeFileSync(path.join(pluginSdkDir, "core.js"), "export const core = 2;\n", "utf8");
+    __testing.ensureOpenClawPluginSdkAlias(distRoot);
+
+    expect(fs.existsSync(path.join(aliasDir, "sentinel.txt"))).toBe(true);
+    expect(fs.readFileSync(path.join(aliasDir, "core.js"), "utf8")).toContain("core.js");
+  });
+
   it("disables bundled plugins by default", () => {
     const bundledDir = makeTempDir();
     writePlugin({
diff --git a/src/plugins/loader.ts b/src/plugins/loader.ts
index 58be2de0014..a7c13ece67f 100644
--- a/src/plugins/loader.ts
+++ b/src/plugins/loader.ts
@@ -690,7 +690,14 @@ function ensureOpenClawPluginSdkAlias(distRoot: string): void {
       "./plugin-sdk/*": "./plugin-sdk/*.js",
     },
   });
-  fs.rmSync(pluginSdkAliasDir, { recursive: true, force: true });
+  try {
+    if (fs.existsSync(pluginSdkAliasDir) && !fs.lstatSync(pluginSdkAliasDir).isDirectory()) {
+      fs.rmSync(pluginSdkAliasDir, { recursive: true, force: true });
+    }
+  } catch {
+    // Another process may be creating the alias at the same time; mkdir/write
+    // below will either converge or surface the real filesystem error.
+  }
   fs.mkdirSync(pluginSdkAliasDir, { recursive: true });
   for (const entry of fs.readdirSync(pluginSdkDir, { withFileTypes: true })) {
     if (!entry.isFile() || path.extname(entry.name) !== ".js") {
@@ -728,6 +735,7 @@ export const __testing = {
   resolvePluginSdkAliasCandidateOrder,
   resolvePluginSdkAliasFile,
   resolvePluginRuntimeModulePath,
+  ensureOpenClawPluginSdkAlias,
   shouldLoadChannelPluginInSetupRuntime,
   shouldPreferNativeJiti,
   toSafeImportPath,