diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/reflect/TypeUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/reflect/TypeUtil.java
index 233f4ad64..ffceb4ed7 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/reflect/TypeUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/reflect/TypeUtil.java
@@ -52,7 +52,11 @@ public class TypeUtil {
 			} else if (type instanceof ParameterizedType) {
 				return (Class<?>) ((ParameterizedType) type).getRawType();
 			} else if (type instanceof TypeVariable) {
-				return (Class<?>) ((TypeVariable<?>) type).getBounds()[0];
+				//return (Class<?>) ((TypeVariable<?>) type).getBounds()[0];
+				final Type[] bounds = ((TypeVariable<?>) type).getBounds();
+				if (bounds.length == 1) {
+					return getClass(bounds[0]);
+				}
 			} else if (type instanceof WildcardType) {
 				final Type[] upperBounds = ((WildcardType) type).getUpperBounds();
 				if (upperBounds.length == 1) {
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/TypeUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/util/TypeUtilTest.java
index aa29cfed5..a8654dcfa 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/util/TypeUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/util/TypeUtilTest.java
@@ -82,6 +82,19 @@ public class TypeUtilTest {
 		Assertions.assertEquals(Long.class, idType);
 	}
 
+	@Test
+	public void getClasses() {
+		Method method = MethodUtil.getMethod(Parent.class, "getLevel");
+		Type returnType = TypeUtil.getReturnType(method);
+		Class<?> clazz = TypeUtil.getClass(returnType);
+		Assertions.assertEquals(Level1.class, clazz);
+
+		method = MethodUtil.getMethod(Level1.class, "getId");
+		returnType = TypeUtil.getReturnType(method);
+		clazz = TypeUtil.getClass(returnType);
+		Assertions.assertEquals(Object.class, clazz);
+	}
+
 	public static class Level3 extends Level2<Level3>{
 
 	}
@@ -95,4 +108,9 @@ public class TypeUtilTest {
 		private T id;
 	}
 
+	@Data
+	public static class Parent<T extends Level1<B>, B extends Long> {
+		private T level;
+	}
+
 }