diff --git a/debian/libukui-search-dev.install b/debian/libukui-search-dev.install
index e31886a..64fd975 100644
--- a/debian/libukui-search-dev.install
+++ b/debian/libukui-search-dev.install
@@ -1,2 +1,3 @@
 usr/include/ukui-search/*
+usr/lib/*/pkgconfig/*.pc
 usr/lib/*/libukui-search.so
diff --git a/libsearch/development-files/header-files/UkuiSearchController b/libsearch/development-files/header-files/UkuiSearchController
new file mode 100644
index 0000000..6d87eca
--- /dev/null
+++ b/libsearch/development-files/header-files/UkuiSearchController
@@ -0,0 +1 @@
+#include "search-controller.h"
diff --git a/libsearch/development-files/header-files/UkuiSearchPluginIface b/libsearch/development-files/header-files/UkuiSearchPluginIface
new file mode 100644
index 0000000..94d4d98
--- /dev/null
+++ b/libsearch/development-files/header-files/UkuiSearchPluginIface
@@ -0,0 +1,6 @@
+#include "action-label.h"
+#include "common-defines.h"
+#include "plugin-iface.h"
+#include "data-queue.h"
+#include "search-plugin-iface.h"
+#include "search-task-plugin-iface.h"
diff --git a/libsearch/development-files/header-files/UkuiSearchTask b/libsearch/development-files/header-files/UkuiSearchTask
new file mode 100644
index 0000000..d5751ba
--- /dev/null
+++ b/libsearch/development-files/header-files/UkuiSearchTask
@@ -0,0 +1 @@
+#include "ukui-search-task.h"
diff --git a/libsearch/index/ukui-search-qdbus.cpp b/libsearch/index/ukui-search-qdbus.cpp
index ecb163d..54070b3 100644
--- a/libsearch/index/ukui-search-qdbus.cpp
+++ b/libsearch/index/ukui-search-qdbus.cpp
@@ -45,7 +45,7 @@ void UkuiSearchQDBus::setInotifyMaxUserWatches() {
     //    this->tmpSystemQDBusInterface->call("setInotifyMaxUserWatchesStep3");
 }
 
-int UkuiSearchQDBus::addInotifyUserInstances(int addNum)
+void UkuiSearchQDBus::addInotifyUserInstances(int addNum)
 {
     QDBusReply<int> reply = tmpSystemQDBusInterface->call("AddInotifyMaxUserInstance", addNum);
     if(reply.isValid()) {
diff --git a/libsearch/index/ukui-search-qdbus.h b/libsearch/index/ukui-search-qdbus.h
index a258755..5934f54 100644
--- a/libsearch/index/ukui-search-qdbus.h
+++ b/libsearch/index/ukui-search-qdbus.h
@@ -28,7 +28,7 @@ public:
     UkuiSearchQDBus();
     ~UkuiSearchQDBus();
     void setInotifyMaxUserWatches();
-    int addInotifyUserInstances(int addNum);
+    void addInotifyUserInstances(int addNum);
 private:
     QDBusInterface* tmpSystemQDBusInterface;
 };
diff --git a/libsearch/libsearch.pro b/libsearch/libsearch.pro
index e88fd6b..ae5840a 100644
--- a/libsearch/libsearch.pro
+++ b/libsearch/libsearch.pro
@@ -1,14 +1,16 @@
 QT += core xml widgets dbus concurrent
-VERSION = 0.0.1
+VERSION = 1.0.0
 DEFINES += VERSION='\\"$${VERSION}\\"'
 
 TARGET = ukui-search
 TEMPLATE = lib
 DEFINES += LIBSEARCH_LIBRARY
+CONFIG += create_pc create_prl no_install_prl
 
 PKGCONFIG += gio-2.0 glib-2.0 gio-unix-2.0 gsettings-qt poppler-qt5
 
 CONFIG += c++11 link_pkgconfig no_keywords lrelease
+QMAKE_CXXFLAGS += -Werror=return-type -Werror=return-local-addr -Werror=uninitialized
 
 
 # The following define makes your compiler emit warnings if you use
@@ -19,6 +21,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 
 PLUGIN_INSTALL_DIRS = $$[QT_INSTALL_LIBS]/ukui-search-plugins
 DEFINES += PLUGIN_INSTALL_DIRS='\\"$${PLUGIN_INSTALL_DIRS}\\"'
+QMAKE_CXXFLAGS += -execution-charset:utf-8
 
 # You can also make your code fail to compile if it uses deprecated APIs.
 # In order to do so, uncomment the following line.
@@ -66,10 +69,24 @@ INSTALLS += qm_files
 # Default rules for deployment.
 unix {
     target.path = $$[QT_INSTALL_LIBS]
+    QMAKE_PKGCONFIG_NAME = ukui-search
+    QMAKE_PKGCONFIG_DESCRIPTION = Ukui-search Header files
+    QMAKE_PKGCONFIG_VERSION = $$VERSION
+    QMAKE_PKGCONFIG_LIBDIR = $$target.path
+    QMAKE_PKGCONFIG_DESTDIR = pkgconfig
+    QMAKE_PKGCONFIG_INCDIR = /usr/include/ukui-search
+    QMAKE_PKGCONFIG_CFLAGS += -I/usr/include/ukui-search
+    QMAKE_PKGCONFIG_REQUIRES = Qt5Widgets glib-2.0 gio-2.0 gio-unix-2.0 poppler-qt5 gsettings-qt
+
     INSTALLS += target
 
     header.path = /usr/include/ukui-search
-    header.files += *.h index/*.h appsearch/*.h settingsearch/*.h plugininterface/*.h websearch/*.h
+    header.files += *.h index/*.h appsearch/*.h settingsearch/*.h plugininterface/*.h websearch/*.h \
+                     searchinterface/ukui-search-task.h \
+                     searchinterface/search-controller.h \
+                     searchinterface/result-item.h
+    header.files += development-files/header-files/*
+
     INSTALLS += header
 }
 INCLUDEPATH += $$PWD/../libchinese-segmentation
diff --git a/libsearch/parser/binary-parser.cpp b/libsearch/parser/binary-parser.cpp
index 43f8854..802622f 100644
--- a/libsearch/parser/binary-parser.cpp
+++ b/libsearch/parser/binary-parser.cpp
@@ -5085,6 +5085,7 @@ int KBinaryParser:: readSSTRecord(readDataParam &rdParam, ppsInfoType PPS_info,
 
     if(ulCount >= ulSize)
         return -1;
+    return 0;
 }
 
 int KBinaryParser::read8BiffRecord(uchar ucFlag, ulong ulOff, ulong &ulNext, readDataParam &rdParam, excelRecord &eR) {