diff --git a/.gitignore b/.gitignore
index 0b13001..0e5f409 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
 .deps
-*.lo
-*.la
 .libs
 .idea
 .DS_Store
diff --git a/kernel/chart.lo b/kernel/chart.lo
new file mode 100644
index 0000000..911da92
--- /dev/null
+++ b/kernel/chart.lo
@@ -0,0 +1,12 @@
+# kernel/chart.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/chart.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/common.lo b/kernel/common.lo
new file mode 100644
index 0000000..67a6e82
--- /dev/null
+++ b/kernel/common.lo
@@ -0,0 +1,12 @@
+# kernel/common.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/common.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/csv.lo b/kernel/csv.lo
new file mode 100644
index 0000000..b4497ac
--- /dev/null
+++ b/kernel/csv.lo
@@ -0,0 +1,12 @@
+# kernel/csv.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/csv.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/excel.lo b/kernel/excel.lo
new file mode 100644
index 0000000..ed3ba2e
--- /dev/null
+++ b/kernel/excel.lo
@@ -0,0 +1,12 @@
+# kernel/excel.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/excel.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/exception.lo b/kernel/exception.lo
new file mode 100644
index 0000000..f61842d
--- /dev/null
+++ b/kernel/exception.lo
@@ -0,0 +1,12 @@
+# kernel/exception.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/exception.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/format.lo b/kernel/format.lo
new file mode 100644
index 0000000..9fd9e5e
--- /dev/null
+++ b/kernel/format.lo
@@ -0,0 +1,12 @@
+# kernel/format.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/format.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/help.lo b/kernel/help.lo
new file mode 100644
index 0000000..1124103
--- /dev/null
+++ b/kernel/help.lo
@@ -0,0 +1,12 @@
+# kernel/help.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/help.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/read.lo b/kernel/read.lo
new file mode 100644
index 0000000..1b82943
--- /dev/null
+++ b/kernel/read.lo
@@ -0,0 +1,12 @@
+# kernel/read.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/read.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/resource.lo b/kernel/resource.lo
new file mode 100644
index 0000000..1c23be6
--- /dev/null
+++ b/kernel/resource.lo
@@ -0,0 +1,12 @@
+# kernel/resource.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/resource.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/rich_string.lo b/kernel/rich_string.lo
new file mode 100644
index 0000000..e42aed3
--- /dev/null
+++ b/kernel/rich_string.lo
@@ -0,0 +1,12 @@
+# kernel/rich_string.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/rich_string.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/validation.lo b/kernel/validation.lo
new file mode 100644
index 0000000..9bfddfa
--- /dev/null
+++ b/kernel/validation.lo
@@ -0,0 +1,12 @@
+# kernel/validation.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/validation.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/kernel/write.lo b/kernel/write.lo
new file mode 100644
index 0000000..0381eda
--- /dev/null
+++ b/kernel/write.lo
@@ -0,0 +1,12 @@
+# kernel/write.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/write.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/library/libxlsxio/lib/xlsxio_read.lo b/library/libxlsxio/lib/xlsxio_read.lo
new file mode 100644
index 0000000..cee782a
--- /dev/null
+++ b/library/libxlsxio/lib/xlsxio_read.lo
@@ -0,0 +1,12 @@
+# library/libxlsxio/lib/xlsxio_read.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/xlsxio_read.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/library/libxlsxio/lib/xlsxio_read_sharedstrings.lo b/library/libxlsxio/lib/xlsxio_read_sharedstrings.lo
new file mode 100644
index 0000000..dffe1f1
--- /dev/null
+++ b/library/libxlsxio/lib/xlsxio_read_sharedstrings.lo
@@ -0,0 +1,12 @@
+# library/libxlsxio/lib/xlsxio_read_sharedstrings.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/xlsxio_read_sharedstrings.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+
diff --git a/xlswriter.la b/xlswriter.la
new file mode 100644
index 0000000..234f2f1
--- /dev/null
+++ b/xlswriter.la
@@ -0,0 +1,35 @@
+# xlswriter.la - a libtool library file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='xlswriter.so'
+
+# Names of this library.
+library_names='xlswriter.so xlswriter.so xlswriter.so'
+
+# The name of the static archive.
+old_library=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Version information for xlswriter.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=no
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=yes
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/ykxiao/nginx/www/phpext/php-ext-xlswriter/modules'
diff --git a/xlswriter.lo b/xlswriter.lo
new file mode 100644
index 0000000..9f49ef0
--- /dev/null
+++ b/xlswriter.lo
@@ -0,0 +1,12 @@
+# xlswriter.lo - a libtool object file
+# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.492 2008/01/30 06:40:56)
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/xlswriter.o'
+
+# Name of the non-PIC object.
+non_pic_object=none
+