diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 61c687884..cf0cbd1de 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, 2022-11-18, Fix [#3215](https://github.com/ossrs/srs/issues/3215): Callback: Fix bug for response string 0. v5.0.88
 * v5.0, 2022-11-18, For [#2532](https://github.com/ossrs/srs/issues/2532): Windows: Replace ln by cp for windows. v5.0.87
 * v5.0, 2022-10-31, For [#2899](https://github.com/ossrs/srs/issues/2899): Exporter: Add metrics cpu, memory and uname. v5.0.86
 * v5.0, 2022-10-30, Config: Support startting with environment variable only. v5.0.85
diff --git a/trunk/src/app/srs_app_http_hooks.cpp b/trunk/src/app/srs_app_http_hooks.cpp
index ccbcb9184..b76f1f369 100644
--- a/trunk/src/app/srs_app_http_hooks.cpp
+++ b/trunk/src/app/srs_app_http_hooks.cpp
@@ -23,7 +23,8 @@ using namespace std;
 #include <srs_app_utility.hpp>
 #include <srs_app_statistic.hpp>
 
-#define SRS_HTTP_RESPONSE_OK    SRS_XSTR(ERROR_SUCCESS)
+// The HTTP response body should be "0", see https://github.com/ossrs/srs/issues/3215#issuecomment-1319991512
+#define SRS_HTTP_RESPONSE_OK SRS_XSTR(0)
 
 #define SRS_HTTP_HEADER_BUFFER 1024
 #define SRS_HTTP_READ_BUFFER 4096
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index d3b9e2788..578e57b69 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    87
+#define VERSION_REVISION    88
 
 #endif