diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/copier/BeanToMapCopier.java b/hutool-core/src/main/java/cn/hutool/core/bean/copier/BeanToMapCopier.java
index 0499a70f3..b81710157 100755
--- a/hutool-core/src/main/java/cn/hutool/core/bean/copier/BeanToMapCopier.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/copier/BeanToMapCopier.java
@@ -44,6 +44,9 @@ public class BeanToMapCopier extends AbsCopier<Object, Map> {
 			actualEditable = copyOptions.editable;
 		}
 
+		// 提前获取目标值真实类型
+		final Type[] earlyDetectTypeArguments = TypeUtil.getTypeArguments(this.targetType);
+
 		final Map<String, PropDesc> sourcePropDescMap = BeanUtil.getBeanDesc(actualEditable).getPropMap(copyOptions.ignoreCase);
 		sourcePropDescMap.forEach((sFieldName, sDesc) -> {
 			if (null == sFieldName || false == sDesc.isReadable(copyOptions.transientSupport)) {
@@ -68,11 +71,10 @@ public class BeanToMapCopier extends AbsCopier<Object, Map> {
 				return;
 			}
 
-			// 获取目标值真实类型并转换源值
-			final Type[] typeArguments = TypeUtil.getTypeArguments(this.targetType);
-			if(null != typeArguments && typeArguments.length > 1){
+			// 尝试转换源值
+			if(null != earlyDetectTypeArguments && earlyDetectTypeArguments.length > 1){
 				//sValue = Convert.convertWithCheck(typeArguments[1], sValue, null, this.copyOptions.ignoreError);
-				sValue = this.copyOptions.convertField(typeArguments[1], sValue);
+				sValue = this.copyOptions.convertField(earlyDetectTypeArguments[1], sValue);
 			}
 
 			// 自定义值
diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToMapCopier.java b/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToMapCopier.java
index 500ddd73d..15ab71e61 100755
--- a/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToMapCopier.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToMapCopier.java
@@ -33,6 +33,10 @@ public class MapToMapCopier extends AbsCopier<Map, Map> {
 
 	@Override
 	public Map copy() {
+
+		// 提前获取目标值真实类型
+		final Type[] earlyDetectTypeArguments = TypeUtil.getTypeArguments(this.targetType);
+
 		this.source.forEach((sKey, sValue) -> {
 			if (null == sKey) {
 				return;
@@ -57,11 +61,10 @@ public class MapToMapCopier extends AbsCopier<Map, Map> {
 				return;
 			}
 
-			// 获取目标值真实类型并转换源值
-			final Type[] typeArguments = TypeUtil.getTypeArguments(this.targetType);
-			if (null != typeArguments) {
+			// 尝试转换源值
+			if (null != earlyDetectTypeArguments) {
 				//sValue = Convert.convertWithCheck(typeArguments[1], sValue, null, this.copyOptions.ignoreError);
-				sValue = this.copyOptions.convertField(typeArguments[1], sValue);
+				sValue = this.copyOptions.convertField(earlyDetectTypeArguments[1], sValue);
 			}
 
 			// 自定义值