diff --git a/trunk/auto/auto_headers.sh b/trunk/auto/auto_headers.sh
index bfd650e7d..dcaba18eb 100755
--- a/trunk/auto/auto_headers.sh
+++ b/trunk/auto/auto_headers.sh
@@ -200,12 +200,16 @@ echo "" >> $SRS_AUTO_HEADERS_H
 #####################################################################################
 # generated the contributors from AUTHORS.txt
 #####################################################################################
-SRS_CONSTRIBUTORS=`cat ../AUTHORS.txt|grep "*"|awk '{print $2}'`
-echo "#define SRS_AUTO_CONSTRIBUTORS \"\\" >> $SRS_AUTO_HEADERS_H
-for CONTRIBUTOR in $SRS_CONSTRIBUTORS; do
-    echo "${CONTRIBUTOR} \\" >> $SRS_AUTO_HEADERS_H
-done
-echo "\"" >> $SRS_AUTO_HEADERS_H
+if [[ -f ../AUTHORS.txt ]]; then
+	SRS_CONSTRIBUTORS=`cat ../AUTHORS.txt|grep "*"|awk '{print $2}'`
+	echo "#define SRS_AUTO_CONSTRIBUTORS \"\\" >> $SRS_AUTO_HEADERS_H
+	for CONTRIBUTOR in $SRS_CONSTRIBUTORS; do
+	    echo "${CONTRIBUTOR} \\" >> $SRS_AUTO_HEADERS_H
+	done
+	echo "\"" >> $SRS_AUTO_HEADERS_H
+else
+	echo "#define SRS_AUTO_CONSTRIBUTORS \"ossrs\"" >> $SRS_AUTO_HEADERS_H
+fi
 
 # new empty line to auto headers file.
 echo "" >> $SRS_AUTO_HEADERS_H
diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index 63e9f707d..96f395fbe 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -428,15 +428,15 @@ SED="sed_utility" && echo "SED is $SED"
 #####################################################################################
 # check the os.
 #####################################################################################
-# user must specifies something what a fuck, we suppport following os:
-#       centos/ubuntu/osx,
+# Only supports:
+#       linux, centos/ubuntu as such,
 #       cross build for embeded system, for example, mips or arm,
 #       directly build on arm/mips, for example, pi or cubie,
 #       export srs-librtmp
 # others is invalid.
 if [[ $OS_IS_UBUNTU = NO && $OS_IS_CENTOS = NO && $OS_IS_OSX = NO && $SRS_EXPORT_LIBRTMP_PROJECT = NO ]]; then
     if [[ $SRS_PI = NO && $SRS_CUBIE = NO && $SRS_CROSS_BUILD = NO ]]; then
-        echo "What a fuck, your OS `uname -s` is not supported."
+        echo "Your OS `uname -s` is not supported."
         exit 1
     fi
 fi
diff --git a/trunk/src/app/srs_app_utility.cpp b/trunk/src/app/srs_app_utility.cpp
index c3f5520bf..6ea2ba0f8 100644
--- a/trunk/src/app/srs_app_utility.cpp
+++ b/trunk/src/app/srs_app_utility.cpp
@@ -362,7 +362,6 @@ bool get_proc_system_stat(SrsProcSystemStat& r)
     fclose(f);
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     r.ok = true;
@@ -401,7 +400,6 @@ bool get_proc_self_stat(SrsProcSelfStat& r)
     fclose(f);
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     r.ok = true;
@@ -520,7 +518,6 @@ bool srs_get_disk_vmstat_stat(SrsDiskStat& r)
     fclose(f);
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     r.ok = true;
@@ -606,7 +603,6 @@ bool srs_get_disk_diskstats_stat(SrsDiskStat& r)
     fclose(f);
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     r.ok = true;
@@ -728,7 +724,6 @@ void srs_update_meminfo()
     fclose(f);
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     r.sample_time = srsu2ms(srs_get_system_time());
@@ -948,7 +943,6 @@ void srs_update_network_devices()
     }
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
 }
 
@@ -1029,7 +1023,6 @@ void srs_update_rtmp_server(int nb_conn, SrsKbps* kbps)
     }
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
     nb_socks = 0;
     nb_tcp4_hashed = 0;
     nb_tcp_orphans = 0;
@@ -1073,7 +1066,6 @@ void srs_update_rtmp_server(int nb_conn, SrsKbps* kbps)
     }
 #else
     // TODO: FIXME: impelments it.
-    // Fuck all of you who use osx for a long time and never patch the osx features for srs.
 #endif
     
     // @see: https://github.com/shemminger/iproute2/blob/master/misc/ss.c