diff --git a/packages/sandbox/src/constant.ts b/packages/sandbox/src/constant.ts
new file mode 100644
index 00000000..26df7344
--- /dev/null
+++ b/packages/sandbox/src/constant.ts
@@ -0,0 +1,68 @@
+
+export const globalsInES2015 = window.Proxy
+  ? [
+      'Array',
+      'ArrayBuffer',
+      'Boolean',
+      'constructor',
+      'DataView',
+      'Date',
+      'decodeURI',
+      'decodeURIComponent',
+      'encodeURI',
+      'encodeURIComponent',
+      'Error',
+      'escape',
+      'eval',
+      'EvalError',
+      'Float32Array',
+      'Float64Array',
+      'Function',
+      'hasOwnProperty',
+      'Infinity',
+      'Int16Array',
+      'Int32Array',
+      'Int8Array',
+      'isFinite',
+      'isNaN',
+      'isPrototypeOf',
+      'JSON',
+      'Map',
+      'Math',
+      'NaN',
+      'Number',
+      'Object',
+      'parseFloat',
+      'parseInt',
+      'Promise',
+      'propertyIsEnumerable',
+      'Proxy',
+      'RangeError',
+      'ReferenceError',
+      'Reflect',
+      'RegExp',
+      'Set',
+      'String',
+      'Symbol',
+      'SyntaxError',
+      'toLocaleString',
+      'toString',
+      'TypeError',
+      'Uint16Array',
+      'Uint32Array',
+      'Uint8Array',
+      'Uint8ClampedArray',
+      'undefined',
+      'unescape',
+      'URIError',
+      'valueOf',
+      'WeakMap',
+      'WeakSet',
+    ].filter((p) => /* just keep the available properties in current window context */ p in window)
+  : [];
+  const overwrittenGlobals = ['window', 'self', 'hasOwnProperty']
+  export const cachedGlobals = Array.from(
+    new Set(
+      globalsInES2015.concat(overwrittenGlobals).concat('requestAnimationFrame')
+    ),
+  );
\ No newline at end of file
diff --git a/packages/sandbox/src/index.ts b/packages/sandbox/src/index.ts
index b91cf98e..3f54570c 100644
--- a/packages/sandbox/src/index.ts
+++ b/packages/sandbox/src/index.ts
@@ -1,3 +1,4 @@
+import { cachedGlobals } from './constant';
 export interface SandboxProps {
   multiMode?: boolean;
 }
@@ -99,7 +100,7 @@ export default class Sandbox {
         if (!originalWindow.hasOwnProperty(p)) {
           // record value added in sandbox
           propertyAdded[p] = value;
-        // eslint-disable-next-line no-prototype-builtins
+          // eslint-disable-next-line no-prototype-builtins
         } else if (!originalValues.hasOwnProperty(p)) {
           // if it is already been setted in original window, record it's original value
           originalValues[p] = originalWindow[p];
@@ -191,6 +192,9 @@ export default class Sandbox {
         this.createProxySandbox();
       }
       try {
+        // Concatenate scopedGlobalVariables into variable declarations to cache global variables, avoiding proxy traversal on every use.
+        const scopedGlobalVariableDefinition = cachedGlobals.length ? `const {${cachedGlobals.join(',')}}=sandbox;` : '';
+        script = scopedGlobalVariableDefinition + script;
         const execScript = `with (sandbox) {;${script}\n}`;
         // eslint-disable-next-line no-new-func
         const code = new Function('sandbox', execScript).bind(this.sandbox);