diff -ur dde-network-utils-master.orig/dde-network-utils.pro dde-network-utils-master/dde-network-utils.pro
--- dde-network-utils-master.orig/dde-network-utils.pro	2019-04-04 03:37:46.000000000 -0300
+++ dde-network-utils-master/dde-network-utils.pro	2019-04-07 05:56:28.283195087 -0300
@@ -52,6 +52,7 @@
 
 QMAKE_PKGCONFIG_NAME = libddenetworkutils
 QMAKE_PKGCONFIG_DESCRIPTION = libddenetworkutils
+QMAKE_PKGCONFIG_PREFIX = $$PREFIX
 QMAKE_PKGCONFIG_INCDIR = $$includes.path
 QMAKE_PKGCONFIG_LIBDIR = $$target.path
 QMAKE_PKGCONFIG_DESTDIR = pkgconfig
diff -ur dde-network-utils-master.orig/networkworker.cpp dde-network-utils-master/networkworker.cpp
--- dde-network-utils-master.orig/networkworker.cpp	2019-04-04 03:37:46.000000000 -0300
+++ dde-network-utils-master/networkworker.cpp	2019-04-07 05:54:28.656479216 -0300
@@ -80,7 +80,7 @@
         }
     }
 
-    const bool isAppProxyVaild = QProcess::execute("which", QStringList() << "/usr/bin/proxychains4") == 0;
+    const bool isAppProxyVaild = QProcess::execute("@which@/bin/which", QStringList() << "@proxychains@/bin/proxychains4") == 0;
     m_networkModel->onAppProxyExistChanged(isAppProxyVaild);
 }