update：把pro文件中的lib绝对路径修改为相对路径；

TchargeManageSys.pro

@@ -6,8 +6,8 @@ greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 TARGET = app_TCU
 
 # arm 平台编译时需将下面两行取消注释
-INCLUDEPATH += /home/ljh/Work/TchargeManageSys/lib/libqrencode-arm-static/include
-LIBS += -L/home/ljh/Work/TchargeManageSys/lib/libqrencode-arm-static/lib
+INCLUDEPATH += $$PWD/lib/libqrencode-arm-static/include
+LIBS += -L$$PWD/lib/libqrencode-arm-static/lib
 
 LIBS += -lqrencode