diff --git a/packages/mini-fix/src/index.ts b/packages/mini-fix/src/index.ts
index 891a6904..d19edc54 100644
--- a/packages/mini-fix/src/index.ts
+++ b/packages/mini-fix/src/index.ts
@@ -103,11 +103,13 @@ function smoothOutParams() {
 
   const filterFunctions = (obj: any, isApp = false) => {
     try {
-      Object.keys(obj)
-        .filter((prop) => typeof obj[prop] === 'function')
-        .forEach((methodName) => {
-          wrapMethod(obj, methodName, isApp)
-        })
+      if (obj) {
+        Object.keys(obj)
+          .filter((prop) => typeof obj[prop] === 'function')
+          .forEach((methodName) => {
+            wrapMethod(obj, methodName, isApp)
+          })
+      }
     } catch (e) {
       console.info('antmjs filterFunctions error', e)
     }
diff --git a/packages/trace/src/index.ts b/packages/trace/src/index.ts
index 0333a215..fb3b2ad3 100644
--- a/packages/trace/src/index.ts
+++ b/packages/trace/src/index.ts
@@ -461,11 +461,13 @@ const wrapMethod = function (target: any, methodName: string, isApp = false) {
  */
 const filterFunctions = (obj: any, isApp = false) => {
   try {
-    Object.keys(obj)
-      .filter((prop) => typeof obj[prop] === 'function')
-      .forEach((methodName) => {
-        wrapMethod(obj, methodName, isApp)
-      })
+    if (obj) {
+      Object.keys(obj)
+        .filter((prop) => typeof obj[prop] === 'function')
+        .forEach((methodName) => {
+          wrapMethod(obj, methodName, isApp)
+        })
+    }
   } catch (e) {
     console.info('trace filterFunctions error', e)
   }