diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 4ff6781641..dd3f2b5591 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2023-05-14, Support the publishing of RTP plaintext packets using WHIP. v5.0.155
 * v5.0, 2023-05-13, Merge [#3541](https://github.com/ossrs/srs/pull/3541): asan: Fix memory leak in asan by releasing global IPs when run_directly_or_daemon fails. v5.0.154 (#3541)
 * v5.0, 2023-05-12, Merge [#3539](https://github.com/ossrs/srs/pull/3539): WHIP: Improve HTTP DELETE for notifying server unpublish event. v5.0.153 (#3539)
 * v5.0, 2023-03-27, Merge [#3450](https://github.com/ossrs/srs/pull/3450): WebRTC: Error message carries the SDP when failed. v5.0.151 (#3450)
diff --git a/trunk/research/players/js/srs.page.js b/trunk/research/players/js/srs.page.js
index 26b50a8503..db12ee56c5 100755
--- a/trunk/research/players/js/srs.page.js
+++ b/trunk/research/players/js/srs.page.js
@@ -35,6 +35,7 @@ function user_extra_params(query, params, rtc) {
             || key === 'http_port' || key === 'pathname' || key === 'port'
             || key === 'server' || key === 'stream' || key === 'buffer'
             || key === 'schema' || key === 'vhost' || key === 'api'
+            || key === 'path'
         ) {
             continue;
         }
@@ -123,12 +124,14 @@ function build_default_whip_whep_url(query, apiPath) {
     console.log('?eip=x.x.x.x to overwrite candidate. 覆盖服务器candidate(外网IP)配置');
     console.log('?api=x to overwrite WebRTC API(1985).');
     console.log('?schema=http|https to overwrite WebRTC API protocol.');
+    console.log(`?path=xxx to overwrite default ${apiPath}`);
 
     var server = (!query.server)? window.location.hostname:query.server;
     var vhost = (!query.vhost)? window.location.hostname:query.vhost;
     var app = (!query.app)? "live":query.app;
     var stream = (!query.stream)? "livestream":query.stream;
     var api = ':' + (query.api || (window.location.protocol === 'http:' ? '1985' : '1990'));
+    const realApiPath = query.path || apiPath;
 
     var queries = [];
     if (server !== vhost && vhost !== "__defaultVhost__") {
@@ -139,7 +142,7 @@ function build_default_whip_whep_url(query, apiPath) {
     }
     queries = user_extra_params(query, queries, true);
 
-    var uri = window.location.protocol + "//" + server + api + apiPath + "?app=" + app + "&stream=" + stream + "&" + queries.join('&');
+    var uri = window.location.protocol + "//" + server + api + realApiPath + "?app=" + app + "&stream=" + stream + "&" + queries.join('&');
     while (uri.lastIndexOf("?") === uri.length - 1) {
         uri = uri.slice(0, uri.length - 1);
     }
diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index cc807fec47..e1dc0dd477 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -217,6 +217,16 @@ srs_error_t SrsSemiSecurityTransport::protect_rtcp(void* packet, int* nb_cipher)
     return srs_success;
 }
 
+srs_error_t SrsSemiSecurityTransport::unprotect_rtp(void* packet, int* nb_plaintext)
+{
+    return srs_success;
+}
+
+srs_error_t SrsSemiSecurityTransport::unprotect_rtcp(void* packet, int* nb_plaintext)
+{
+    return srs_success;
+}
+
 SrsPlaintextTransport::SrsPlaintextTransport(ISrsRtcNetwork* s)
 {
     network_ = s;
diff --git a/trunk/src/app/srs_app_rtc_conn.hpp b/trunk/src/app/srs_app_rtc_conn.hpp
index e47ba6f015..ce3f407ad5 100644
--- a/trunk/src/app/srs_app_rtc_conn.hpp
+++ b/trunk/src/app/srs_app_rtc_conn.hpp
@@ -134,6 +134,8 @@ class SrsSemiSecurityTransport : public SrsSecurityTransport
 public:
     srs_error_t protect_rtp(void* packet, int* nb_cipher);
     srs_error_t protect_rtcp(void* packet, int* nb_cipher);
+    srs_error_t unprotect_rtp(void* packet, int* nb_plaintext);
+    srs_error_t unprotect_rtcp(void* packet, int* nb_plaintext);
 };
 
 // Plaintext transport, without DTLS or SRTP.
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 59e6836af2..fe7b6beebd 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    154
+#define VERSION_REVISION    155
 
 #endif