diff --git a/deepin-ocr.pro b/deepin-ocr.pro
index 556b2d0..a65acd7 100644
--- a/deepin-ocr.pro
+++ b/deepin-ocr.pro
@@ -12,6 +12,7 @@ INCLUDEPATH += .
 # depend on your compiler). Please consult the documentation of the
 # deprecated API in order to know how to port your code away from it.
 DEFINES += QT_DEPRECATED_WARNINGS
+QMAKE_LFLAGS += -Wl,--as-needed -pie -z noexecstack -fstack-protector-all -z now
 
 # You can also make your code fail to compile if you use deprecated APIs.
 # In order to do so, uncomment the following line.