diff --git a/arkguard/package.json b/arkguard/package.json
index ca3d370bebd7ac7d7838cec2ab8855f77acc5493..7838645676c6e8b5f42bd5b986f8e3012074f98f 100644
--- a/arkguard/package.json
+++ b/arkguard/package.json
@@ -1,6 +1,6 @@
 {
   "name": "arkguard",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "An obfuscator tools for open harmony apps.",
   "bin": {
     "arkguard": "bin/secharmony"
@@ -30,7 +30,7 @@
     "@types/commander": "^2.12.2",
     "@types/fs-extra": "^9.0.13",
     "@types/mocha": "^9.1.1",
-    "@types/node": "^17.0.45",
+    "@types/node": "18.11.7",
     "chai": "^4.3.6",
     "mocha": "^10.0.0",
     "ts-node": "^10.9.1"
@@ -41,6 +41,9 @@
     "json5": "^2.2.3",
     "source-map": "0.7.4"
   },
+  "peerDependencies": {
+    "typescript": "*"
+  },
   "files": [
     "bin",
     "lib",
diff --git a/arkguard/src/transformers/layout/SimplifyTransformer.ts b/arkguard/src/transformers/layout/SimplifyTransformer.ts
index b40c612eab7b329b6eb19bfafd5df6c6ec4a1ca0..c76d0d21ee9a834cc6adce97569c3257bc548220 100644
--- a/arkguard/src/transformers/layout/SimplifyTransformer.ts
+++ b/arkguard/src/transformers/layout/SimplifyTransformer.ts
@@ -119,13 +119,14 @@ namespace secharmony {
           }
         }
 
-        function doMerge(currentType: SyntaxKind | undefined, child: Statement | undefined): void {
+        function doMerge(currentType: SyntaxKind | undefined, childArg: Statement | undefined): void {
           if (preType === currentType) {
             if (preType !== SyntaxKind.VariableStatement) {
               return;
             }
 
-            if (nodeFlag === (child as VariableStatement).declarationList.flags) {
+            let child = childArg as VariableStatement;
+            if (nodeFlag === child.declarationList.flags) {
               if (!modifiers && !child.modifiers) {
                 return;
               }
diff --git a/arkguard/src/utils/OhsUtil.ts b/arkguard/src/utils/OhsUtil.ts
index 2588197cf1e76e08057472a0e95051dd11b523ab..a97703b9d72cccb2f5accf74f5cf97535743d33d 100644
--- a/arkguard/src/utils/OhsUtil.ts
+++ b/arkguard/src/utils/OhsUtil.ts
@@ -33,6 +33,7 @@ import {
   SyntaxKind,
   isExpressionStatement,
   isClassExpression,
+  getModifiers,
 } from 'typescript';
 
 import type {
@@ -277,12 +278,14 @@ export function getClassProperties(classNode: ClassDeclaration | ClassExpression
 
     if (isConstructorDeclaration(member) && member.parameters) {
       member.parameters.forEach((parameter) => {
-        if (isParameter(parameter) && parameter.modifiers) {
-          parameter.modifiers.forEach((modifier) => {
-            if (isParameterPropertyModifier(modifier) && parameter.name && isIdentifier(parameter.name)) {
+        const modifiers = getModifiers(parameter);
+        if (isParameter(parameter) && modifiers && modifiers.length > 0) {
+          if (parameter.name && isIdentifier(parameter.name)) {
+            let hasParameterPropertyModifier = modifiers.find(modifier => isParameterPropertyModifier(modifier)) !== undefined;
+            if (hasParameterPropertyModifier) {
               propertySet.add(parameter.name.text);
             }
-          });
+          }
           processMemberInitializer(parameter.initializer, propertySet);
         }
       });