diff --git a/src/sandbox/common.ts b/src/sandbox/common.ts
index 65475d5..0e21915 100644
--- a/src/sandbox/common.ts
+++ b/src/sandbox/common.ts
@@ -16,17 +16,18 @@ export function setCurrentRunningSandboxProxy(proxy: WindowProxy | null) {
 
 const functionBoundedValueMap = new WeakMap<Function, Function>();
 export function getTargetValue(target: any, value: any): any {
+  const cachedBoundFunction = functionBoundedValueMap.get(value);
+  if (cachedBoundFunction) {
+    return cachedBoundFunction;
+  }
+
   /*
     仅绑定 isCallable && !isBoundedFunction && !isConstructable 的函数对象，如 window.console、window.atob 这类。目前没有完美的检测方式，这里通过 prototype 中是否还有可枚举的拓展方法的方式来判断
     @warning 这里不要随意替换成别的判断方式，因为可能触发一些 edge case（比如在 lodash.isFunction 在 iframe 上下文中可能由于调用了 top window 对象触发的安全异常）
    */
   if (isCallable(value) && !isBoundedFunction(value) && !isConstructable(value)) {
-    const cachedBoundValue = functionBoundedValueMap.get(value);
-    if (cachedBoundValue) {
-      return cachedBoundValue;
-    }
-
     const boundValue = Function.prototype.bind.call(value, target);
+
     // some callable function has custom fields, we need to copy the enumerable props to boundValue. such as moment function.
     // use for..in rather than Object.keys.forEach for performance reason
     // eslint-disable-next-line guard-for-in,no-restricted-syntax