diff --git a/shell/preload/esm-loader.mjs b/shell/preload/esm-loader.mjs
new file mode 100644
index 00000000..c59bf3b1
--- /dev/null
+++ b/shell/preload/esm-loader.mjs
@@ -0,0 +1,41 @@
+import { existsSync } from 'node:fs';
+import { join } from 'node:path';
+
+const builtinModules = [
+  'assert', 'buffer', 'child_process', 'cluster', 'crypto', 'dgram', 'dns',
+  'events', 'fs', 'http', 'https', 'net', 'os', 'path', 'process', 'querystring',
+  'readline', 'stream', 'string_decoder', 'timers', 'tls', 'tty', 'url', 'util',
+  'v8', 'zlib',
+];
+
+function isBareSpecifier(specifier) {
+  return !specifier.startsWith('.') &&
+    !specifier.startsWith('/') &&
+    !specifier.startsWith('file:') &&
+    !specifier.startsWith('node:') &&
+    !builtinModules.includes(specifier) &&
+    !builtinModules.includes(specifier.split('/')[0]);
+}
+
+export function resolve(specifier, context, nextResolve) {
+  if (!isBareSpecifier(specifier)) {
+    return nextResolve(specifier, context);
+  }
+
+  // 解析优先级：全局 pnpm > 系统全局
+  const bases = [
+    process.env.QL_NODE_GLOBAL_PATH,
+    '/usr/local/lib/node_modules',
+  ].filter(Boolean);
+
+  for (const base of bases) {
+    if (existsSync(join(base, specifier))) {
+      return nextResolve(specifier, {
+        ...context,
+        parentURL: new URL(`${join(base, specifier)}/`, 'file://').href,
+      });
+    }
+  }
+
+  return nextResolve(specifier, context);
+}
diff --git a/shell/preload/sitecustomize.js b/shell/preload/sitecustomize.js
index 44dc1bea..720dc206 100644
--- a/shell/preload/sitecustomize.js
+++ b/shell/preload/sitecustomize.js
@@ -4,6 +4,11 @@ const path = require('path');
 const client = require('./client.js');
 require(`./env.js`);
 
+// 注册 ESM loader，使全局安装的包也可通过 import 导入
+try {
+  Module.register(new URL('esm-loader.mjs', `file://${__dirname}/`).href);
+} catch (_) {}
+
 function preferGlobalNodeModules() {
   const { QL_NODE_GLOBAL_PATH } = process.env;
   if (!QL_NODE_GLOBAL_PATH || Module._qlGlobalPathPatched) {