diff --git a/ecmascript/ecma_vm.h b/ecmascript/ecma_vm.h
index 3e128cf2cf4f50264b291cf0b64daa3d3965550e..1848c7b90f10bd0ac5893827b176a9cfd733f816 100644
--- a/ecmascript/ecma_vm.h
+++ b/ecmascript/ecma_vm.h
@@ -699,7 +699,7 @@ public:
         pkgNameList_.insert(list.begin(), list.end());
     }
 
-    CMap<CString, CString> GetPkgNameList()
+    const CMap<CString, CString> &GetPkgNameList()
     {
         ReadLockHolder lock(pkgNameListLock_);
         return pkgNameList_;
@@ -722,7 +722,7 @@ public:
         pkgContextInfoList_.insert(list.begin(), list.end());
     }
 
-    inline CMap<CString, CMap<CString, CVector<CString>>> GetPkgContextInfoList()
+    inline const CMap<CString, CMap<CString, CVector<CString>>> &GetPkgContextInfoList()
     {
         ReadLockHolder lock(pkgContextInfoLock_);
         return pkgContextInfoList_;
@@ -750,7 +750,7 @@ public:
         pkgAliasList_.insert(list.begin(), list.end());
     }
 
-    CMap<CString, CString> GetPkgAliasList()
+    const CMap<CString, CString> &GetPkgAliasList()
     {
         ReadLockHolder lock(pkgAliasListLock_);
         return pkgAliasList_;
diff --git a/ecmascript/module/module_path_helper.cpp b/ecmascript/module/module_path_helper.cpp
index 77f8f0bb207620d7e523a2123b0b709950aa4829..0874edf385e76c7b6542dc39de0a3a1147849d91 100644
--- a/ecmascript/module/module_path_helper.cpp
+++ b/ecmascript/module/module_path_helper.cpp
@@ -842,15 +842,15 @@ CVector<CString> ModulePathHelper::GetPkgContextInfoListElements(EcmaVM *vm, con
     if (packageName.empty()) {
         return resultList;
     }
-    CMap<CString, CMap<CString, CVector<CString>>> pkgContextList = vm->GetPkgContextInfoList();
+    const CMap<CString, CMap<CString, CVector<CString>>> &pkgContextList = vm->GetPkgContextInfoList();
     if (pkgContextList.find(moduleName) == pkgContextList.end()) {
         return resultList;
     }
-    CMap<CString, CVector<CString>> pkgList = pkgContextList[moduleName];
+    const CMap<CString, CVector<CString>> &pkgList = pkgContextList.find(moduleName)->second;
     if (pkgList.find(packageName) == pkgList.end()) {
         return resultList;
     }
-    resultList = pkgList[packageName];
+    resultList = pkgList.find(packageName)->second;
     return resultList;
 }
 
diff --git a/ecmascript/napi/test/jsnapi_third_tests.cpp b/ecmascript/napi/test/jsnapi_third_tests.cpp
index b236732c6b235a3cfe07d3b3368b10e54d40cfc5..a6648539f4fa7f194402c9538c7f1a96b07106db 100644
--- a/ecmascript/napi/test/jsnapi_third_tests.cpp
+++ b/ecmascript/napi/test/jsnapi_third_tests.cpp
@@ -1460,11 +1460,16 @@ HWTEST_F_L0(JSNApiTests, UpdatePkgContextInfoList)
     newPkgList["hsp"] = {hspList};
     JSNApi::UpdatePkgContextInfoList(vm_, newPkgList);
 
-    CMap<CString, CMap<CString, CVector<CString>>> vmPkgList = vm_->GetPkgContextInfoList();
+    const CMap<CString, CMap<CString, CVector<CString>>> &vmPkgList = vm_->GetPkgContextInfoList();
     EXPECT_EQ(vmPkgList.size(), 2);
-    EXPECT_EQ(vmPkgList["entry"]["entry"].size(), 12);
-    EXPECT_EQ(vmPkgList["hsp"].size(), 1);
-    EXPECT_EQ(vmPkgList["hsp"]["hsp"].size(), 12);
+    const CMap<CString, CVector<CString>> &entryMap = vmPkgList.find("entry")->second;
+    const CVector<CString> &entryInfos = entryMap.find("entry")->second;
+    EXPECT_EQ(entryInfos.size(), 12);
+
+    const CMap<CString, CVector<CString>> &hspMap = vmPkgList.find("hsp")->second;
+    const CVector<CString> &hspInfos = hspMap.find("hsp")->second;
+    EXPECT_EQ(hspMap.size(), 1);
+    EXPECT_EQ(hspInfos.size(), 12);
 }
 
 HWTEST_F_L0(JSNApiTests, UpdatePkgNameList)