diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 4370af89d..c51d6559d 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -63,6 +63,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* v4.0, 2022-09-03, Fix HTTP url parsing bug. v4.0.261
 * v4.0, 2022-09-03, For [#3167](https://github.com/ossrs/srs/issues/3167): WebRTC: Play stucked when republish. v4.0.260
 * v4.0, 2022-09-02, For [#307](https://github.com/ossrs/srs/issues/307): WebRTC: Support use domain name as CANDIDATE. v4.0.259
 * v4.0, 2022-08-29, Copy libxml2-dev for FFmpeg. v4.0.258
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 243ad04f9..a43cbf9e9 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    260
+#define VERSION_REVISION    261
 
 #endif
diff --git a/trunk/src/protocol/srs_protocol_http_conn.cpp b/trunk/src/protocol/srs_protocol_http_conn.cpp
index 7b151857a..c78dc1daa 100644
--- a/trunk/src/protocol/srs_protocol_http_conn.cpp
+++ b/trunk/src/protocol/srs_protocol_http_conn.cpp
@@ -76,6 +76,8 @@ srs_error_t SrsHttpParser::parse_message(ISrsReader* reader, ISrsHttpMessage** p
     p_body_start = p_header_tail = NULL;
     // We must reset the field name and value, because we may get a partial value in on_header_value.
     field_name = field_value = "";
+    // Reset the url.
+    url = "";
     // The header of the request.
     srs_freep(header);
     header = new SrsHttpHeader();
@@ -220,7 +222,8 @@ int SrsHttpParser::on_url(http_parser* parser, const char* at, size_t length)
     srs_assert(obj);
     
     if (length > 0) {
-        obj->url = string(at, (int)length);
+        // Note that this function might be called for multiple times, and we got pieces of content.
+        obj->url.append(at, (int)length);
     }
 
     // When header parsed, we must save the position of start for body,