diff --git a/trunk/3rdparty/patches/srtp/gcc10-01.patch b/trunk/3rdparty/patches/srtp/gcc10-01.patch
new file mode 100644
index 000000000..cd9fa2f3d
--- /dev/null
+++ b/trunk/3rdparty/patches/srtp/gcc10-01.patch
@@ -0,0 +1,4 @@
+82c82
+< char bit_string[MAX_PRINT_STRING_LEN];
+---
+> static char bit_string[MAX_PRINT_STRING_LEN];
diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index 588658b39..856725075 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -617,6 +617,7 @@ if [[ $SRS_RTC == YES ]]; then
         (
             rm -rf ${SRS_OBJS}/srtp2 && cd ${SRS_OBJS}/${SRS_PLATFORM} &&
             rm -rf libsrtp-2-fit && cp -R ../../3rdparty/libsrtp-2-fit . && cd libsrtp-2-fit &&
+            patch -p0 crypto/math/datatypes.c ../../../3rdparty/patches/srtp/gcc10-01.patch &&
             $SRTP_CONFIGURE ${SRTP_OPTIONS} --prefix=`pwd`/_release &&
             make ${SRS_JOBS} && make install &&
             cd .. && rm -rf srtp2 && ln -sf libsrtp-2-fit/_release srtp2
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 223ecf73c..d5f5aff3f 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -30,6 +30,9 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* v4.0, 2021-10-30, Merge [#2552](https://github.com/ossrs/srs/pull/2552): Script: Refine CentOS7 service script to restart SRS. v4.0.190
+* v4.0, 2021-10-30, Merge [#2397](https://github.com/ossrs/srs/pull/2397): SRTP: Patch libsrtp2 to fix GCC10 build fail. v4.0.189
+* v4.0, 2021-10-30, Merge [#2284](https://github.com/ossrs/srs/pull/2284): Forward: Fast quit when cycle fail. v4.0.188
 * v4.0, 2021-10-28, Merge [#2186](https://github.com/ossrs/srs/pull/2186): Gop: Ignore zero timestamp when shrinking. v4.0.187
 * v4.0, 2021-10-27, Merge [#1963](https://github.com/ossrs/srs/pull/1963): Cluster: Origin server shouldn't be it's own coworker. v4.0.186
 * v4.0, 2021-10-25, Merge [#2692](https://github.com/ossrs/srs/pull/2692): API: Add server_id into http_hooks. v4.0.185
diff --git a/trunk/ide/srs_clion/CMakeLists.txt b/trunk/ide/srs_clion/CMakeLists.txt
index 6c736d598..1108fb66a 100755
--- a/trunk/ide/srs_clion/CMakeLists.txt
+++ b/trunk/ide/srs_clion/CMakeLists.txt
@@ -25,9 +25,9 @@ set(DEPS_LIBS ${SRS_DIR}/objs/st/libst.a
         ${SRS_DIR}/objs/openssl/lib/libssl.a
         ${SRS_DIR}/objs/openssl/lib/libcrypto.a
         ${SRS_DIR}/objs/srtp2/lib/libsrtp2.a
-        ${SRS_DIR}/objs/opus/lib/libopus.a
-        ${SRS_DIR}/objs/ffmpeg/lib/libavutil.a
         ${SRS_DIR}/objs/ffmpeg/lib/libavcodec.a
+        ${SRS_DIR}/objs/ffmpeg/lib/libavutil.a
+        ${SRS_DIR}/objs/opus/lib/libopus.a
         ${SRS_DIR}/objs/ffmpeg/lib/libswresample.a)
 foreach(DEPS_LIB ${DEPS_LIBS})
     IF (NOT EXISTS ${DEPS_LIB})
@@ -62,7 +62,7 @@ ADD_DEFINITIONS("-g -O0")
 ADD_EXECUTABLE(srs ${SOURCE_FILES})
 TARGET_LINK_LIBRARIES(srs dl)
 TARGET_LINK_LIBRARIES(srs ${DEPS_LIBS})
-TARGET_LINK_LIBRARIES(srs -ldl)
+TARGET_LINK_LIBRARIES(srs -ldl -pthread)
 
 MESSAGE(STATUS "@see https://github.com/ossrs/srs/wiki/v4_CN_IDE")
 
diff --git a/trunk/src/app/srs_app_forward.cpp b/trunk/src/app/srs_app_forward.cpp
index c72fe6506..d9af04e90 100755
--- a/trunk/src/app/srs_app_forward.cpp
+++ b/trunk/src/app/srs_app_forward.cpp
@@ -175,6 +175,12 @@ srs_error_t SrsForwarder::cycle()
             srs_freep(err);
         }
 
+        // Never wait if thread error, fast quit.
+        // @see https://github.com/ossrs/srs/pull/2284
+        if ((err = trd->pull()) != srs_success) {
+            return srs_error_wrap(err, "forwarder");
+        }
+
         srs_usleep(SRS_FORWARDER_CIMS);
     }
     
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 6956b133c..a6fd66fbb 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    187
+#define VERSION_REVISION    190
 
 #endif
diff --git a/trunk/src/srt/srt_server.cpp b/trunk/src/srt/srt_server.cpp
index cb3722f00..03fb16645 100644
--- a/trunk/src/srt/srt_server.cpp
+++ b/trunk/src/srt/srt_server.cpp
@@ -229,7 +229,7 @@ void srt_server::srt_handle_connection(SRT_SOCKSTATUS status, SRTSOCKET input_fd
             } else if (srt_conn_ptr->get_mode() == PUSH_SRT_MODE) {
                 conn_event = SRT_EPOLL_IN | SRT_EPOLL_ERR;
             } else {
-                srt_log_trace("stream mode error, it shoulde be m=push or m=pull, streamid:%s",
+                srt_log_trace("stream mode error, it should be m=push or m=pull, streamid:%s",
                     srt_conn_ptr->get_streamid().c_str());
                 srt_conn_ptr->close();
                 return;
diff --git a/trunk/usr/lib/systemd/system/srs.service b/trunk/usr/lib/systemd/system/srs.service
index b76bc930a..0a27b9a96 100644
--- a/trunk/usr/lib/systemd/system/srs.service
+++ b/trunk/usr/lib/systemd/system/srs.service
@@ -4,6 +4,7 @@ After=network.target
 
 [Service]
 Type=forking
+Restart=always
 ExecStart=/etc/init.d/srs start
 ExecReload=/etc/init.d/srs reload
 ExecStop=/etc/init.d/srs stop