diff --git a/hutool-core/src/main/java/cn/hutool/core/net/URLDecoder.java b/hutool-core/src/main/java/cn/hutool/core/net/URLDecoder.java
index 82f4c0dd2..088c4ad6a 100644
--- a/hutool-core/src/main/java/cn/hutool/core/net/URLDecoder.java
+++ b/hutool-core/src/main/java/cn/hutool/core/net/URLDecoder.java
@@ -1,5 +1,6 @@
 package cn.hutool.core.net;
 
+import cn.hutool.core.lang.Console;
 import cn.hutool.core.util.CharUtil;
 import cn.hutool.core.util.CharsetUtil;
 import cn.hutool.core.util.StrUtil;
@@ -87,6 +88,11 @@ public class URLDecoder implements Serializable {
 		char c;
 		for (int i = 0; i < length; i++) {
 			c = str.charAt(i);
+			if('+' == c){
+				result.append(isPlusToSpace ? CharUtil.SPACE : c);
+				begin++;
+				continue;
+			}
 			if(ESCAPE_CHAR == c || CharUtil.isHexChar(c)){
 				continue;
 			}
diff --git a/hutool-core/src/test/java/cn/hutool/core/net/UrlDecoderTest.java b/hutool-core/src/test/java/cn/hutool/core/net/UrlDecoderTest.java
index 42d3fa6f0..93d4bba65 100644
--- a/hutool-core/src/test/java/cn/hutool/core/net/UrlDecoderTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/net/UrlDecoderTest.java
@@ -14,6 +14,12 @@ public class UrlDecoderTest {
 		Assert.assertEquals("+", URLDecoder.decodeForPath("+", CharsetUtil.CHARSET_UTF_8));
 	}
 
+	@Test
+	public void decodePlusTest() {
+		final String decode = URLDecoder.decode("+", CharsetUtil.CHARSET_UTF_8);
+		Assert.assertEquals(" ", decode);
+	}
+
 	@Test
 	public void issue3063Test() throws UnsupportedEncodingException {
 		// https://github.com/dromara/hutool/issues/3063
diff --git a/hutool-http/src/test/java/cn/hutool/http/HttpUtilTest.java b/hutool-http/src/test/java/cn/hutool/http/HttpUtilTest.java
index e4532385e..8570f5aa7 100755
--- a/hutool-http/src/test/java/cn/hutool/http/HttpUtilTest.java
+++ b/hutool-http/src/test/java/cn/hutool/http/HttpUtilTest.java
@@ -383,17 +383,19 @@ public class HttpUtilTest {
 
 	@Test
 	public void httpParameterDecodeTest () {
-		String test = "this is test测试";
-		int port = NetUtil.getUsableLocalPort();
+		final String test = "this is test测试";
+		final int port = NetUtil.getUsableLocalPort();
 		HttpUtil.createServer(port)
 				.addAction("/formEncoded", (req, resp) -> resp.write(req.getParam("test")))
 				.addAction("/urlEncoded", (req, resp) -> resp.write(req.getParam("test")))
 				.start();
-		String resp = HttpUtil.createPost(String.format("http://localhost:%s/formEncoded", port))
+
+		final String resp = HttpUtil.createPost(String.format("http://localhost:%s/formEncoded", port))
 				.form("test", test).execute().body();
 		Assert.assertEquals("Form请求参数解码", test, resp);
-		String urlGet = UrlBuilder.of(String.format("http://localhost:%s/urlEncoded", port)).addQuery("test", test).build();
-		String resp2 = HttpUtil.createGet(urlGet).execute().body();
+
+		final String urlGet = UrlBuilder.of(String.format("http://localhost:%s/urlEncoded", port)).addQuery("test", test).build();
+		final String resp2 = HttpUtil.createGet(urlGet).execute().body();
 		Assert.assertEquals("QueryString请求参数编码", test, resp2);
 	}
 }