diff --git a/.gitignore b/.gitignore
index cab19059ca54dc1e96fa511dc0e71aecdb6998a5..40a844cf97c51e9911797ce9870e063f2b71d5ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 *.o.cmd
 *.ko
 *.ko.cmd
-
+*.idea
 Module.symvers
 modules.builtin
 modules.order
diff --git a/source/tools/monitor/unity/beaver/localBeaver.lua b/source/tools/monitor/unity/beaver/localBeaver.lua
index 5267a3476e7818d4fd076434212894516f42dc15..d0c2c5dea9dbafc1eeed5e4c0f23384d562090cc 100644
--- a/source/tools/monitor/unity/beaver/localBeaver.lua
+++ b/source/tools/monitor/unity/beaver/localBeaver.lua
@@ -92,14 +92,13 @@ function CLocalBeaver:_installFFI()
 
 end
 
-function CLocalBeaver:localBind(fd, tPort)
+local function localBind(cffi, fd, tPort)
     local try = 0
     local res, err, errno
 
     -- can reuse for time wait socket.
     --res, err, errno = socket.setsockopt(fd, socket.SOL_SOCKET, socket.SO_REUSEADDR, 1);
-    print(self)
-    res = self._cffi.setsockopt_AP(fd)
+    res = cffi.setsockopt_AP(fd)
     if res<0 then
         system:posixError("set sock opt failed.");
     end
@@ -124,7 +123,7 @@ function CLocalBeaver:_install_fd_unisock(backlog,unix_socket)
     fd, err, errno = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM, 0)
     if fd then  -- for socket
         local tPort = {family=socket.AF_UNIX, path=unix_socket}
-        local r, msg = pcall(localBind, fd, tPort)
+        local r, msg = pcall(localBind, self._cffi, fd, tPort)
         if r then
             res, err, errno = socket.listen(fd, backlog)
             if res then -- for listen
@@ -134,7 +133,7 @@ function CLocalBeaver:_install_fd_unisock(backlog,unix_socket)
                 system:posixError("socket listen failed", err, errno)
             end
         else
-            print(msg)
+            print("call localBind failed, report: " .. msg)
             unistd.close(fd)
             os.exit(1)
         end
@@ -148,7 +147,7 @@ function CLocalBeaver:_install_fd(port, ip, backlog)
     fd, err, errno = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
     if fd then  -- for socket
         local tPort = {family=socket.AF_INET, addr=ip, port=port}
-        local r, msg = pcall(localBind, fd, tPort)
+        local r, msg = pcall(localBind, self._cffi, fd, tPort)
         if r then
             res, err, errno = socket.listen(fd, backlog)
             if res then -- for listen
@@ -158,7 +157,7 @@ function CLocalBeaver:_install_fd(port, ip, backlog)
                 system:posixError("socket listen failed", err, errno)
             end
         else
-            print(msg)
+            print("call localBind failed, report: " .. msg)
             unistd.close(fd)
             os.exit(1)
         end
diff --git a/source/tools/monitor/unity/beaver/native/local_beaver.c b/source/tools/monitor/unity/beaver/native/local_beaver.c
index 8e83a8b5e24548ff69b682ae62f2279b302827ae..634907813f204e4027c2d695bfde37047835fc9b 100644
--- a/source/tools/monitor/unity/beaver/native/local_beaver.c
+++ b/source/tools/monitor/unity/beaver/native/local_beaver.c
@@ -4,6 +4,7 @@
 
 #include "local_beaver.h"
 #include <sys/epoll.h>
+#include <sys/socket.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>