diff --git a/app/upgrade/HGUpgrade.cpp b/app/upgrade/HGUpgrade.cpp
index ee9f6f01..5ba4c5f3 100644
--- a/app/upgrade/HGUpgrade.cpp
+++ b/app/upgrade/HGUpgrade.cpp
@@ -164,8 +164,16 @@ static std::string GetCurrVersion()
     std::string version = "0.0.0.0";
 
 #if defined(HG_CMP_MSC)
+    #if defined(OEM_HANWANG)
+        std::string regName = "SOFTWARE\\HanvonScan";
+    #elif defined(OEM_LISICHENG)
+        std::string regName = "SOFTWARE\\LanxumScan";
+    #else
+        std::string regName = "SOFTWARE\\HuaGoScan";
+    #endif
+
     HKEY hKey = nullptr;
-    RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\HuaGoScan", 0, KEY_QUERY_VALUE, &hKey);
+    RegOpenKeyExA(HKEY_LOCAL_MACHINE, regName.c_str(), 0, KEY_QUERY_VALUE, &hKey);
     if (nullptr != hKey)
     {
         CHAR szData[MAX_PATH] = { 0 };
@@ -178,7 +186,43 @@ static std::string GetCurrVersion()
         RegCloseKey(hKey);
     }
 #else
-    // TODO
+    #if defined(OEM_HANWANG)
+        std::string appName = "com.hanvonchina.hanvonscan";
+    #elif defined(OEM_LISICHENG)
+        std::string appName = "com.lanxumchina.lanxumscan";
+    #else
+        std::string appName = "com.huagaochina.huagoscan";
+    #endif
+
+    std::string cmd = "dpkg -l " + appName;
+    FILE *fp = popen(cmd.c_str(), "r");
+    if (nullptr != fp)
+    {
+        char buff[2048] = {0};
+        fread(buff, 2048, 1, fp);
+
+        char *p = strstr(buff, appName.c_str());
+        if (nullptr != p)
+        {
+            char *p2 = p + appName.size();
+            while (!isdigit(*p2) && '.' != *p2)
+                ++p2;
+
+            int len = (int)strlen(p2);
+            for (int i = 0; i < len; ++i)
+            {
+                if (!isdigit(p2[i]) && '.' != p2[i])
+                {
+                    p2[i] = '\0';
+                    break;
+                }
+            }
+
+            version = p2;
+        }
+
+        pclose(fp);
+    }
 #endif
 
     return version;
@@ -254,20 +298,36 @@ static bool PostInfo(int type, const std::string &desc)
         osName = "Linux";
         archName = "unknown";
 
-        FILE *fp = popen("system("cat /etc/issue | cut -d\' \' -f1")", "r");
+        FILE *fp = popen("cat /etc/issue | cut -d\' \' -f1", "r");
         if (nullptr != fp)
         {
             char buff[1024] = {0};
             fread(buff, 1024, 1, fp);
+
+            int len = (int)strlen(buff);
+            for (int i = 0; i < len; ++i)
+            {
+                if (buff[i] == '\n')
+                    buff[i] = '\0';
+            }
+
             osName = buff;
             pclose(fp);
         }
 
-        fp = popen("system("arch")", "r");
+        fp = popen("arch", "r");
         if (nullptr != fp)
         {
             char buff[1024] = {0};
             fread(buff, 1024, 1, fp);
+
+            int len = (int)strlen(buff);
+            for (int i = 0; i < len; ++i)
+            {
+                if (buff[i] == '\n')
+                    buff[i] = '\0';
+            }
+
             archName = buff;
             pclose(fp);
         }
@@ -330,6 +390,7 @@ bool PostUninstallInfo(const std::string &desc)
 static bool Setup(const std::string& pkgPath)
 {
     bool ret = false;
+
 #if defined(HG_CMP_MSC)
 
     PROCESS_INFORMATION ProcessInfo;
@@ -348,7 +409,9 @@ static bool Setup(const std::string& pkgPath)
     }
 
 #else
-    // TODO
+    std::string cmd = "dpkg -i \"" + pkgPath + "\"";
+    if (0 == system(cmd.c_str()))
+        ret = true;
 #endif
 
     return ret;
diff --git a/app/upgrade/main.cpp b/app/upgrade/main.cpp
index 32eb57d7..b1743120 100644
--- a/app/upgrade/main.cpp
+++ b/app/upgrade/main.cpp
@@ -1,6 +1,7 @@
 #include "mainwindow.h"
 
 #include <QApplication>
+#include <QScreen>
 #include "HGUpgrade.h"
 
 int main(int argc, char *argv[])
@@ -32,7 +33,10 @@ int main(int argc, char *argv[])
     else if (3 == type && !pkgPath.empty())
     {
         QApplication a(argc, argv);
+
         MainWindow w(pkgPath, desc);
+        QScreen *screen = QGuiApplication::primaryScreen();
+        w.move((screen->size().width() - w.width()) / 2, (screen->size().height() - w.height()) / 2);
         w.show();
         a.exec();
     }
diff --git a/build/linux/default.workspace b/build/linux/default.workspace
index 111f087f..37bb4225 100644
--- a/build/linux/default.workspace
+++ b/build/linux/default.workspace
@@ -23,7 +23,6 @@
 			<Depends filename="HGBase/HGBase.cbp" />
 			<Depends filename="HGImgFmt/HGImgFmt.cbp" />
 			<Depends filename="HGImgProc/HGImgProc.cbp" />
-			<Depends filename="HGSaneUser/HGSaneUser.cbp" />
 		</Project>
 	</Workspace>
 </CodeBlocks_workspace_file>