diff --git a/README.md b/README.md
index 63e75dacb4106ed0dbb033cda250d9701c0e87c5..265dd05b7b52c38a397f85df0a8aad679c328ed9 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ SkyWalking APM : https://github.com/apache/incubator-skywalking
   * You need to add  business codes to monnitor.
 
 # Dep
+* libuuid
+* gcc 4.9+
 * pkg-config
 * grpc
 * protoc
diff --git a/sky-php7ext/config.m4 b/sky-php7ext/config.m4
index 48b2f385ad1d8c17e06e81843419d1211552a7c3..93c9b8c40efe8406456a189510b33ece5ed29ed3 100644
--- a/sky-php7ext/config.m4
+++ b/sky-php7ext/config.m4
@@ -29,51 +29,11 @@ if test -z "$PHP_DEBUG"; then
 fi
 
 if test "$PHP_SKYWALKING" != "no"; then
-  dnl Write more examples of tests here...
-
-  dnl # --with-skywalking -> check with-path
-  dnl SEARCH_PATH="/usr/local /usr"     # you might want to change this
-  dnl SEARCH_FOR="/include/skywalking.h"  # you most likely want to change this
-  dnl if test -r $PHP_SKYWALKING/$SEARCH_FOR; then # path given as parameter
-  dnl   SKYWALKING_DIR=$PHP_SKYWALKING
-  dnl else # search default path list
-  dnl   AC_MSG_CHECKING([for skywalking files in default path])
-  dnl   for i in $SEARCH_PATH ; do
-  dnl     if test -r $i/$SEARCH_FOR; then
-  dnl       SKYWALKING_DIR=$i
-  dnl       AC_MSG_RESULT(found in $i)
-  dnl     fi
-  dnl   done
-  dnl fi
-  dnl
-  dnl if test -z "$SKYWALKING_DIR"; then
-  dnl   AC_MSG_RESULT([not found])
-  dnl   AC_MSG_ERROR([Please reinstall the skywalking distribution])
-  dnl fi
-
-  dnl # --with-skywalking -> add include path
-  dnl PHP_ADD_INCLUDE($SKYWALKING_DIR/include)
-
-  dnl # --with-skywalking -> check for lib and symbol presence
-  dnl LIBNAME=skywalking # you may want to change this
-  dnl LIBSYMBOL=skywalking # you most likely want to change this 
-
-  dnl PHP_CHECK_LIBRARY($LIBNAME,$LIBSYMBOL,
-  dnl [
-  dnl   PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $SKYWALKING_DIR/$PHP_LIBDIR, SKYWALKING_SHARED_LIBADD)
-  dnl   AC_DEFINE(HAVE_SKYWALKINGLIB,1,[ ])
-  dnl ],[
-  dnl   AC_MSG_ERROR([wrong skywalking lib version or lib not found])
-  dnl ],[
-  dnl   -L$SKYWALKING_DIR/$PHP_LIBDIR -lm
-  dnl ])
-  dnl
-  dnl PHP_SUBST(SKYWALKING_SHARED_LIBADD)
+
   CXXFLAGS+=" -std=c++11 "
   PHP_REQUIRE_CXX()
 
-  KYWALKING_LIBS=" -L/usr/local/lib "
-  KYWALKING_LIBS+=`pkg-config --libs protobuf grpc++ grpc`
+  KYWALKING_LIBS=`pkg-config --cflags --libs uuid protobuf grpc++ grpc`
   KYWALKING_LIBS+=" -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed -ldl "
 
   AC_OUTPUT_COMMANDS(
diff --git a/sky-php7ext/src/report/report_client.cpp b/sky-php7ext/src/report/report_client.cpp
index c7cb54e4f7f0eb271c4e0fe8330117690edfb915..6386b19406e0a7e25325e59f77b0f312fb8ca4af 100644
--- a/sky-php7ext/src/report/report_client.cpp
+++ b/sky-php7ext/src/report/report_client.cpp
@@ -85,7 +85,7 @@ int main(int argc, char **argv) {
         }
     }
 
-    if (argc == 0) {
+    if (argc == 1) {
         std::cout << "report_client grpc log_path" << std::endl;
         std::cout << "e.g. report_client 120.0.0.1:11800 /tmp" << std::endl;
         return 0;