diff --git a/build.gradle b/build.gradle
index ec9fec7..6191b0a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,11 +15,13 @@ version '0.9.2-SNAPSHOT'
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(16)
+        languageVersion = JavaLanguageVersion.of(17)
     }
 }
 
 repositories {
+    mavenLocal()
+    maven { url "https://maven.aliyun.com/repository/central" }
     mavenCentral()
 }
 
@@ -68,8 +70,7 @@ subprojects {
 
     java {
         toolchain {
-            languageVersion = JavaLanguageVersion.of(16)
-            vendor = JvmVendorSpec.ADOPTIUM
+            languageVersion = JavaLanguageVersion.of(17)
         }
     }
     publishing.publications {
diff --git a/qilin.core/src/qilin/core/PTA.java b/qilin.core/src/qilin/core/PTA.java
index 564e3a4..6f7e3b4 100644
--- a/qilin.core/src/qilin/core/PTA.java
+++ b/qilin.core/src/qilin/core/PTA.java
@@ -255,4 +255,15 @@ public boolean mayAlias(Local l1, Local l2) {
         PointsToSet pts2 = reachingObjects(l2).toCIPointsToSet();
         return pts1.hasNonEmptyIntersection(pts2);
     }
+
+    @Override
+    public soot.PointsToSet reachingObjectsOfArrayElement(soot.PointsToSet pointsToSet) {
+        return this.reachingObjectsOfArrayElement((PointsToSet)pointsToSet);
+    }
+
+
+    @Override
+    public soot.PointsToSet reachingObjects(soot.PointsToSet pointsToSet, SootField sootField) {
+        return this.reachingObjects((PointsToSet)pointsToSet, sootField);
+    }
 }
diff --git a/qilin.core/src/qilin/core/PTAScene.java b/qilin.core/src/qilin/core/PTAScene.java
index 2becfa9..ec66e19 100644
--- a/qilin.core/src/qilin/core/PTAScene.java
+++ b/qilin.core/src/qilin/core/PTAScene.java
@@ -26,6 +26,7 @@
 import soot.util.IterableNumberer;
 import soot.util.StringNumberer;
 
+import java.util.List;
 import java.util.Set;
 
 public class PTAScene {
@@ -107,6 +108,9 @@ public FastHierarchy getOrMakeFastHierarchy() {
         return sootScene.getOrMakeFastHierarchy();
     }
 
+    public List<SootMethod> getEntryPoints() {
+        return Scene.v().getEntryPoints();
+    }
     public SootClass loadClassAndSupport(String className) {
         return sootScene.loadClassAndSupport(className);
     }
diff --git a/qilin.core/src/qilin/core/PointsToAnalysis.java b/qilin.core/src/qilin/core/PointsToAnalysis.java
index e9584cb..3e352ea 100644
--- a/qilin.core/src/qilin/core/PointsToAnalysis.java
+++ b/qilin.core/src/qilin/core/PointsToAnalysis.java
@@ -30,7 +30,7 @@
  * @author Ondrej Lhotak
  */
 
-public interface PointsToAnalysis {
+public interface PointsToAnalysis extends soot.PointsToAnalysis {
 
     int THIS_NODE = -1;
     int RETURN_NODE = -2;
diff --git a/qilin.core/src/qilin/core/builder/CallGraphBuilder.java b/qilin.core/src/qilin/core/builder/CallGraphBuilder.java
index b866ac1..0600676 100644
--- a/qilin.core/src/qilin/core/builder/CallGraphBuilder.java
+++ b/qilin.core/src/qilin/core/builder/CallGraphBuilder.java
@@ -36,6 +36,7 @@
 import soot.util.queue.QueueReader;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 public class CallGraphBuilder {
     protected final Map<VarNode, Collection<VirtualCallSite>> receiverToSites;
@@ -107,10 +108,7 @@ private void constructCallGraph() {
     }
 
     public List<MethodOrMethodContext> getEntryPoints() {
-        Node thisRef = pag.getMethodPAG(PTAScene.v().getFakeMainMethod()).nodeFactory().caseThis();
-        thisRef = pta.parameterize(thisRef, pta.emptyContext());
-        pag.addEdge(pta.getRootNode(), thisRef);
-        return Collections.singletonList(pta.parameterize(PTAScene.v().getFakeMainMethod(), pta.emptyContext()));
+        return PTAScene.v().getEntryPoints().stream().map(x -> pta.parameterize(x, pta.emptyContext())).collect(Collectors.toList());
     }
 
     public void initReachableMethods() {
@@ -153,10 +151,11 @@ private void addVirtualEdge(MethodOrMethodContext caller, Unit callStmt, SootMet
     public void injectCallEdge(Object heapOrType, MethodOrMethodContext callee, Kind kind) {
         Map<Object, Stmt> stmtMap = methodToInvokeStmt.computeIfAbsent(callee.method(), k -> DataFactory.createMap());
         if (!stmtMap.containsKey(heapOrType)) {
+            SootMethod rm = PTAScene.v().getMethod("<java.lang.ClassLoader: java.lang.Class loadClass(java.lang.String)>");
             InvokeExpr ie = new JStaticInvokeExpr(callee.method().makeRef(), Collections.emptyList());
             JInvokeStmt stmt = new JInvokeStmt(ie);
             stmtMap.put(heapOrType, stmt);
-            handleCallEdge(new Edge(pta.parameterize(PTAScene.v().getFakeMainMethod(), pta.emptyContext()), stmtMap.get(heapOrType), callee, kind));
+            handleCallEdge(new Edge(pta.parameterize(rm, pta.emptyContext()), stmtMap.get(heapOrType), callee, kind));
         }
     }
 
diff --git a/qilin.core/src/qilin/core/builder/FakeMainFactory.java b/qilin.core/src/qilin/core/builder/FakeMainFactory.java
index 669201c..db92f47 100644
--- a/qilin.core/src/qilin/core/builder/FakeMainFactory.java
+++ b/qilin.core/src/qilin/core/builder/FakeMainFactory.java
@@ -142,7 +142,7 @@ private void makeFakeMain() {
         addInvoke(defaultClassLoader, "<java.lang.ClassLoader: void <init>()>");
         Value vClass = getNextLocal(RefType.v("java.lang.Class"));
         Value vDomain = getNextLocal(RefType.v("java.security.ProtectionDomain"));
-        addInvoke(defaultClassLoader, "<java.lang.ClassLoader: java.lang.Class loadClassInternal(java.lang.String)>", sv);
+        addInvoke(defaultClassLoader, "<java.lang.ClassLoader: java.lang.Class loadClass(java.lang.String)>", sv);
         addInvoke(defaultClassLoader, "<java.lang.ClassLoader: void checkPackageAccess(java.lang.Class,java.security.ProtectionDomain)>", vClass, vDomain);
         addInvoke(defaultClassLoader, "<java.lang.ClassLoader: void addClass(java.lang.Class)>", vClass);
 
diff --git a/qilin.core/src/qilin/core/sets/PointsToSet.java b/qilin.core/src/qilin/core/sets/PointsToSet.java
index e608a16..9f49e3b 100644
--- a/qilin.core/src/qilin/core/sets/PointsToSet.java
+++ b/qilin.core/src/qilin/core/sets/PointsToSet.java
@@ -31,7 +31,7 @@
  *
  * @author Ondrej Lhotak
  */
-public interface PointsToSet {
+public interface PointsToSet extends soot.PointsToSet {
     /**
      * Returns true if this set contains no run-time objects.
      */
diff --git a/qilin.core/src/qilin/core/sets/UnmodifiablePointsToSet.java b/qilin.core/src/qilin/core/sets/UnmodifiablePointsToSet.java
index c820fbd..c813cf3 100644
--- a/qilin.core/src/qilin/core/sets/UnmodifiablePointsToSet.java
+++ b/qilin.core/src/qilin/core/sets/UnmodifiablePointsToSet.java
@@ -43,6 +43,11 @@ public boolean isEmpty() {
         return pts.isEmpty();
     }
 
+    @Override
+    public boolean hasNonEmptyIntersection(soot.PointsToSet pointsToSet) {
+        return hasNonEmptyIntersection((PointsToSet)pointsToSet);
+    }
+
     @Override
     public boolean contains(AllocNode n) {
         return pts.contains(n.getNumber());
diff --git a/qilin.core/src/qilin/util/PTAUtils.java b/qilin.core/src/qilin/util/PTAUtils.java
index c403ea1..945cc91 100644
--- a/qilin.core/src/qilin/util/PTAUtils.java
+++ b/qilin.core/src/qilin/util/PTAUtils.java
@@ -35,6 +35,7 @@
 import soot.jimple.*;
 import soot.jimple.toolkits.callgraph.CallGraph;
 import soot.jimple.toolkits.callgraph.Edge;
+import soot.options.Options;
 import soot.util.NumberedString;
 import soot.util.dot.DotGraph;
 import soot.util.dot.DotGraphConstants;
@@ -248,7 +249,7 @@ public static boolean isUnresolved(Type type) {
             return true;
         }
         SootClass cl = rt.getSootClass();
-        return cl.resolvingLevel() < SootClass.HIERARCHY;
+        return (!Options.v().ignore_resolving_levels()) && cl.resolvingLevel() < SootClass.HIERARCHY;
     }
 
     public static boolean castNeverFails(Type src, Type dst) {
diff --git a/qilin.microben/build.gradle b/qilin.microben/build.gradle
index b386522..ebedb90 100644
--- a/qilin.microben/build.gradle
+++ b/qilin.microben/build.gradle
@@ -8,13 +8,9 @@ version '1.0-SNAPSHOT'
 java {
     toolchain {
         languageVersion = JavaLanguageVersion.of(8)
-        vendor = JvmVendorSpec.ADOPTIUM
     }
 }
 
-repositories {
-    mavenCentral()
-}
 sourceSets.main {
     java.srcDirs = ['src']
 }
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index ca5aafe..38f4e2c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,3 +1,9 @@
+pluginManagement {
+    repositories {
+        maven { url "https://maven.aliyun.com/repository/gradle-plugin" }
+        gradlePluginPortal()
+    }
+}
 rootProject.name = 'Qilin'
 include 'qilin.util'
 include 'qilin.core'