diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/DataSourceBuilder.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/DataSourceBuilder.java
index 5c3f2d89..86f7e999 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/DataSourceBuilder.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/DataSourceBuilder.java
@@ -65,7 +65,8 @@ public class DataSourceBuilder {
         }
 
         try {
-            Class<?> dataSourceClass = Class.forName(dataSourceClassName);
+            ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
+            Class<?> dataSourceClass = Class.forName(dataSourceClassName, false, contextClassLoader);
             Object dataSourceObject = dataSourceClass.newInstance();
             setDataSourceProperties(dataSourceObject);
             return (DataSource) dataSourceObject;
@@ -132,8 +133,9 @@ public class DataSourceBuilder {
 
 
     private String doDetectDataSourceClass(String className) {
+        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
         try {
-            Class.forName(className);
+            Class.forName(className, false, contextClassLoader);
             return className;
         } catch (ClassNotFoundException e) {
             return null;
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexConfiguration.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexConfiguration.java
index a4495b27..31dd4a84 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexConfiguration.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexConfiguration.java
@@ -320,9 +320,10 @@ public class FlexConfiguration extends Configuration {
 
 
     private TableInfo getTableInfo(MappedStatement ms) {
+        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
         String mapperClassName = ms.getId().substring(0, ms.getId().lastIndexOf("."));
         try {
-            Class<?> mapperClass = Class.forName(mapperClassName);
+            Class<?> mapperClass = Class.forName(mapperClassName, true, contextClassLoader);
             return TableInfoFactory.ofMapperClass(mapperClass);
         } catch (ClassNotFoundException e) {
             return null;
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
index 2dbe426c..38005819 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
@@ -58,7 +58,7 @@ public class LambdaUtil {
     public static <T> Class<?> getImplClass(LambdaGetter<T> getter) {
         return MapUtil.computeIfAbsent(implClassMap, getter.getClass(), aClass -> {
             SerializedLambda lambda = getSerializedLambda(getter);
-            return getImplClass(lambda, getter.getClass().getClassLoader());
+            return getImplClass0(lambda);
         });
     }
 
@@ -75,9 +75,8 @@ public class LambdaUtil {
 
     public static <T> QueryColumn getQueryColumn(LambdaGetter<T> getter) {
         return MapUtil.computeIfAbsent(queryColumnMap, getter.getClass(), aClass -> {
-            ClassLoader classLoader = getter.getClass().getClassLoader();
             SerializedLambda lambda = getSerializedLambda(getter);
-            Class<?> entityClass = getImplClass(lambda, classLoader);
+            Class<?> entityClass = getImplClass0(lambda);
             TableInfo tableInfo = TableInfoFactory.ofEntityClass(entityClass);
             String propertyName = getFieldName(getter);
             return tableInfo.getQueryColumnByProperty(propertyName);
@@ -96,7 +95,8 @@ public class LambdaUtil {
     }
 
 
-    private static Class<?> getImplClass(SerializedLambda lambda, ClassLoader classLoader) {
+    private static Class<?> getImplClass0(SerializedLambda lambda) {
+        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
         String implClass = getImplClassName(lambda);
         try {
             return Class.forName(implClass.replace("/", "."), true, classLoader);