diff --git a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient4/HttpClient4BodyEntity.java b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient4/HttpClient4BodyEntity.java
index ae5197531..4a64d3caa 100644
--- a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient4/HttpClient4BodyEntity.java
+++ b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient4/HttpClient4BodyEntity.java
@@ -70,6 +70,6 @@ public class HttpClient4BodyEntity extends AbstractHttpEntity {
 
 	@Override
 	public long getContentLength() {
-		return 0;
+		return -1;
 	}
 }
diff --git a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient5/HttpClient5BodyEntity.java b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient5/HttpClient5BodyEntity.java
index f2ef9f13b..c11918520 100644
--- a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient5/HttpClient5BodyEntity.java
+++ b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/httpclient5/HttpClient5BodyEntity.java
@@ -12,9 +12,9 @@
 
 package org.dromara.hutool.http.client.engine.httpclient5;
 
+import org.apache.hc.core5.http.io.entity.AbstractHttpEntity;
 import org.dromara.hutool.http.client.body.BytesBody;
 import org.dromara.hutool.http.client.body.HttpBody;
-import org.apache.hc.core5.http.io.entity.AbstractHttpEntity;
 
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -67,6 +67,6 @@ public class HttpClient5BodyEntity extends AbstractHttpEntity {
 
 	@Override
 	public long getContentLength() {
-		return 0;
+		return -1;
 	}
 }
diff --git a/hutool-http/src/test/java/org/dromara/hutool/http/IssueI85C9STest.java b/hutool-http/src/test/java/org/dromara/hutool/http/IssueI85C9STest.java
index 512dc75e1..a054a7003 100644
--- a/hutool-http/src/test/java/org/dromara/hutool/http/IssueI85C9STest.java
+++ b/hutool-http/src/test/java/org/dromara/hutool/http/IssueI85C9STest.java
@@ -12,6 +12,7 @@
 
 package org.dromara.hutool.http;
 
+import org.dromara.hutool.core.lang.Console;
 import org.dromara.hutool.core.map.MapBuilder;
 import org.dromara.hutool.http.client.Request;
 import org.dromara.hutool.http.client.Response;
@@ -35,7 +36,9 @@ public class IssueI85C9STest {
 			.form(MapBuilder.of("a", (Object)1).put("b", 2).build())
 			.send(engine);
 
-		Assertions.assertEquals("{a=[1], b=[2]}", send.bodyStr());
+		final String bodyStr = send.bodyStr();
+		Console.log(bodyStr);
+		Assertions.assertEquals("{a=[1], b=[2]}", bodyStr);
 	}
 
 	@Test
diff --git a/hutool-http/src/test/java/org/dromara/hutool/http/client/XiaohonshuTest.java b/hutool-http/src/test/java/org/dromara/hutool/http/client/XiaohonshuTest.java
new file mode 100644
index 000000000..147898ead
--- /dev/null
+++ b/hutool-http/src/test/java/org/dromara/hutool/http/client/XiaohonshuTest.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023. looly(loolly@aliyun.com)
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          https://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package org.dromara.hutool.http.client;
+
+import org.dromara.hutool.core.lang.Console;
+import org.dromara.hutool.http.client.engine.httpclient5.HttpClient5Engine;
+import org.dromara.hutool.http.meta.HeaderName;
+import org.dromara.hutool.http.meta.Method;
+import org.dromara.hutool.json.JSONUtil;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+import java.util.Date;
+import java.util.HashMap;
+
+public class XiaohonshuTest {
+	@Test
+	@Disabled
+	void postTest() {
+		long l = (new Date().getTime());
+		String sign = "oauth.getAccessToken?appId=880c43b57a97425d9a06&timestamp="+l
+			+"&version=2.0d9758815286df7a3075d64785df2b890";
+
+		HashMap<String, Object> paramMap = new HashMap<>();
+		paramMap.put("sign",sign);
+		paramMap.put("appId", "880c43b57a97425d9a06");  //880c43b57a97425d9a06
+		paramMap.put("timestamp", l);
+		paramMap.put("version", "2.0");
+		paramMap.put("method", "oauth.getAccessToken");
+		paramMap.put("code", "code-266ef7f29fff4f0d80d4bd23f579391e-2097e077fad84eb0a5ec4a44a8de1116");
+		String json = JSONUtil.toJsonStr(paramMap);
+
+		Request request = Request.of("https://ark.xiaohongshu.com/ark/open_api/v3/common_controller")
+            .header(HeaderName.CONTENT_TYPE, "application/json;charset=UTF-8")
+			.method(Method.POST)
+			.body(json);
+		Console.log(request.send(new HttpClient5Engine()).bodyStr());
+	}
+}