fix code

hutool-core/src/test/java/cn/hutool/core/bean/BeanWithReturnThisTest.java

@@ -0,0 +1,30 @@
+package cn.hutool.core.bean;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class BeanWithReturnThisTest {
+
+	@Test
+	public void setValueTest() {
+		final BeanWithRetuenThis bean = new BeanWithRetuenThis();
+		final BeanDesc beanDesc = BeanUtil.getBeanDesc(BeanWithRetuenThis.class);
+		final PropDesc prop = beanDesc.getProp("a");
+		prop.setValue(bean, "123");
+
+		Assert.assertEquals("123", bean.getA());
+	}
+
+	static class BeanWithRetuenThis{
+		public String getA() {
+			return a;
+		}
+
+		public BeanWithRetuenThis setA(final String a) {
+			this.a = a;
+			return this;
+		}
+
+		private String a;
+	}
+}