diff --git a/.circleci/config.yml b/.circleci/config.yml
index e286e6387..7c9ec8a18 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,6 +6,7 @@ jobs:
     steps:
       - checkout
       - run: |
+          echo "Build and run SRS baseline" &&
           cd trunk && ./configure && make
   build-centos7-noasm:
     docker:
@@ -13,6 +14,7 @@ jobs:
     steps:
       - checkout
       - run: |
+          echo "Build and run SRS without NASM or SRTP-NASM" &&
           cd trunk && ./configure --nasm=off --srtp-nasm=off && make
   build-centos7-gb28181:
     docker:
@@ -20,6 +22,7 @@ jobs:
     steps:
       - checkout
       - run: |
+          echo "Build and run SRS with GB28181" &&
           cd trunk && ./configure --gb28181=on && make
   build-centos8-baseline:
     docker:
@@ -27,6 +30,7 @@ jobs:
     steps:
       - checkout
       - run: |
+          echo "Build and run SRS for CentOS8" &&
           cd trunk && ./configure && make
   build-ubuntu20-baseline:
     docker:
@@ -34,22 +38,36 @@ jobs:
     steps:
       - checkout
       - run: |
+          echo "Build and run SRS for Ubuntu20" &&
           cd trunk && ./configure && make
-  test:
+  run-utest:
     docker:
       - image: ossrs/srs:dev
     steps:
       - checkout
       - run: |
-          cd trunk &&
-          ./configure --gb28181=on --utest=on --gcov=on && make &&
+          echo "Build and run utest for SRS" &&
+          cd trunk && ./configure --gb28181=on --utest=on --gcov=on && make &&
           ./objs/srs_utest && bash auto/coverage.sh
+  run-regression-test:
+    docker:
+      - image: ossrs/srs:dev
+    steps:
+      - checkout
+      - run: |
+          echo "Build and run SRS with regression config" &&
+          cd trunk && ./configure && make && ./objs/srs -c conf/regression-test.conf &&
+          echo "Clone srs-bench for regression test" &&
+          cd 3rdparty && git clone -b feature/srs --depth=1 https://github.com/ossrs/srs-bench &&
+          echo "Run srs-bench regression test" &&
+          cd srs-bench && make && ./objs/srs_test -test.v
 workflows:
   version: 2
   build_and_test:
     jobs:
       - build-centos7-baseline
-      - test
+      - run-utest
+      - run-regression-test
       - build-centos7-noasm
       - build-centos7-gb28181
       - build-centos8-baseline
diff --git a/trunk/conf/regression-test.conf b/trunk/conf/regression-test.conf
new file mode 100644
index 000000000..fcb348f12
--- /dev/null
+++ b/trunk/conf/regression-test.conf
@@ -0,0 +1,54 @@
+
+listen              1935;
+max_connections     1000;
+daemon              on;
+srs_log_tank        file;
+
+http_server {
+    enabled         on;
+    listen          8080;
+    dir             ./objs/nginx/html;
+}
+
+http_api {
+    enabled         on;
+    listen          1985;
+}
+stats {
+    network         0;
+}
+rtc_server {
+    enabled         on;
+    # Listen at udp://8000
+    listen          8000;
+    #
+    # The $CANDIDATE means fetch from env, if not configed, use * as default.
+    #
+    # The * means retrieving server IP automatically, from all network interfaces,
+    # @see https://github.com/ossrs/srs/issues/307#issuecomment-599028124
+    candidate       $CANDIDATE;
+}
+
+vhost __defaultVhost__ {
+    rtc {
+        enabled     on;
+        bframe      discard;
+    }
+    http_remux {
+        enabled     on;
+        mount       [vhost]/[app]/[stream].flv;
+    }
+    ingest livestream {
+        enabled on;
+        input {
+            type    file;
+            url     ./doc/source.200kbps.768x320.flv;
+        }
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine {
+            enabled          off;
+            output          rtmp://127.0.0.1:[port]/live/livestream;
+        }
+    }
+}
+
diff --git a/trunk/configure b/trunk/configure
index e5bb595ba..70a8319f9 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -192,8 +192,8 @@ if [[ $SRS_GCOV == YES ]]; then
     SrsLinkOptions="${SrsLinkOptions} ${SrsGcov}";
 fi
 
-# For FFMPEG/RTC.
-if [[ $SRS_RTC == YES && $SRS_FFMPEG_FIT == YES ]]; then
+# For FFMPEG/RTC on Linux.
+if [[ $SRS_OSX != YES && $SRS_RTC == YES && $SRS_FFMPEG_FIT == YES ]]; then
     SrsLinkOptions="${SrsLinkOptions} -lrt";
 fi