diff --git a/CHANGELOG.md b/CHANGELOG.md
index 150754c0f..7cbf05456 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@
 * 【core   】     修复4位bytes转换float问题（issue#I4M0E4@Gitee）
 * 【core   】     修复CharSequenceUtil.replace问题（issue#I4M16G@Gitee）
 * 【json   】     修复JSONObject 初始化大小值未被使用问题（issue#2016@Github）
+* 【core   】     修复StrUtil.startWith都为null返回错误问题（issue#I4MV7Q@Gitee）
 
 -------------------------------------------------------------------------------------------------------------
 # 5.7.17 (2021-12-09)
diff --git a/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java b/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
index 660989242..4ef829260 100644
--- a/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
@@ -706,7 +706,7 @@ public class CharSequenceUtil {
 	 */
 	public static boolean startWith(CharSequence str, CharSequence prefix, boolean ignoreCase, boolean ignoreEquals) {
 		if (null == str || null == prefix) {
-			if (false == ignoreEquals) {
+			if (ignoreEquals) {
 				return false;
 			}
 			return null == str && null == prefix;
diff --git a/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java
index 38894581f..76ef69cc6 100644
--- a/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java
@@ -86,4 +86,11 @@ public class CharSequenceUtilTest {
 		v = CharSequenceUtil.subPreGbk(s, 40, true);
 		Assert.assertEquals(41, v.getBytes(CharsetUtil.CHARSET_GBK).length);
 	}
+
+	@Test
+	public void startWithTest(){
+		// https://gitee.com/dromara/hutool/issues/I4MV7Q
+		Assert.assertFalse(CharSequenceUtil.startWith("123", "123", false, true));
+		Assert.assertFalse(CharSequenceUtil.startWith(null, null, false, true));
+	}
 }