diff --git a/README.md b/README.md
index f6594a9..d1f7015 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This BeanUtils library is a Java bean copy utility with powerful functionality a
 	<dependency>
 		<groupId>com.github.yangtu222</groupId>
 		<artifactId>BeanUtils</artifactId>
-		<version>1.0.8</version>
+		<version>1.0.9</version>
 	</dependency>
 ~~~
 
diff --git a/pom.xml b/pom.xml
index dd38da6..9984788 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 	<groupId>com.github.yangtu222</groupId>
 	<artifactId>BeanUtils</artifactId>
 	<name>BeanUtils</name>
-	<version>1.0.8</version>
+	<version>1.0.9</version>
 	<description>BeanUtils library is a Java bean copy utility with powerful functionality and high performance.</description>
 	<url>https://github.com/yangtu222/BeanUtils</url>
 	
@@ -27,7 +27,7 @@
 		<connection>scm:git:https://github.com/yangtu222/BeanUtils.git</connection>
 		<developerConnection>scm:git:https://github.com/yangtu222/BeanUtils.git</developerConnection>
 		<url>https://github.com/yangtu222/BeanUtils.git</url>
-		<tag>v1.0.8</tag>
+		<tag>v1.0.9</tag>
 	</scm>
 
 	<profiles>
diff --git a/src/main/java/com/tuyang/beanutils/internal/cache/BeanCopyCache.java b/src/main/java/com/tuyang/beanutils/internal/cache/BeanCopyCache.java
index 49d5d2f..52471c2 100644
--- a/src/main/java/com/tuyang/beanutils/internal/cache/BeanCopyCache.java
+++ b/src/main/java/com/tuyang/beanutils/internal/cache/BeanCopyCache.java
@@ -76,9 +76,11 @@ public static void setBeanCopyConfig(BeanCopyConfig beanCopyConfig) {
 		if( beanCopyConfig == null )
 			beanCopyConfig = new BeanCopyConfig();
 		BeanCopyCache.beanCopyConfig = beanCopyConfig;
-		if( beanCopyFactory!= null && !beanCopyFactory.getClass().equals(beanCopyConfig.getBeanCopyFactory() ) )
-			beanCopyCacheMap.clear();
-		beanCopyFactory = null;
+		synchronized (BeanCopyCache.class) {
+			if( beanCopyFactory != null && !beanCopyFactory.equals(beanCopyConfig.getBeanCopyFactory() ) )
+				beanCopyCacheMap.clear();
+			beanCopyFactory = null;
+		}
 	}
 	
 	public static BeanCopier getBeanCopy(Class<?> sourceClass, Class<?> targetClass, Class<?> optionClass) {
diff --git a/src/test/java/com/tuyang/test/testBasic/Test01.java b/src/test/java/com/tuyang/test/testBasic/Test01.java
index 9af0eda..abb8a94 100644
--- a/src/test/java/com/tuyang/test/testBasic/Test01.java
+++ b/src/test/java/com/tuyang/test/testBasic/Test01.java
@@ -5,6 +5,7 @@
 import org.junit.Test;
 
 import com.tuyang.beanutils.BeanCopyUtils;
+import com.tuyang.beanutils.config.BeanCopyConfig;
 
 public class Test01 {
 	
@@ -37,6 +38,12 @@ public void testBasic() {
 		assertEquals( fromBean.getBeanDouble(), toBean.getBeanDouble(), 0 );
 		assertEquals( fromBean.getBeanString(), toBean.getBeanString() );
 		assertEquals(fromBean.getmId(), toBean.getmId());
+		
+		BeanCopyConfig.setBeanCopyConfig(null);
+		
+		ToBean toBean2 = BeanCopyUtils.copyBean(fromBean, ToBean.class);
+		assertEquals(fromBean.isBeanBool(), toBean2.isBeanBool() );
+
 	}
 }