fix boolean convert

hutool-core/src/test/java/cn/hutool/core/convert/ConvertToBooleanTest.java

@@ -0,0 +1,18 @@
+package cn.hutool.core.convert;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ConvertToBooleanTest {
+
+	@Test
+	public void intToBooleanTest(){
+		int a = 100;
+		final Boolean aBoolean = Convert.toBool(a);
+		Assert.assertTrue(aBoolean);
+
+		int b = 0;
+		final Boolean bBoolean = Convert.toBool(b);
+		Assert.assertFalse(bBoolean);
+	}
+}