diff --git a/tests/tests.pro b/tests/tests2.pro
index 314cad227646..48f1c66ee3f7 100644
--- a/tests/tests.pro
+++ b/tests/tests.pro
@@ -6,7 +6,7 @@ QT += core gui sql printsupport dbus testlib widgets
 #QMAKE_CXXFLAGS += -g -fsanitize=undefined,address -O2
 #QMAKE_LFLAGS += -g -fsanitize=undefined,address -O2
 
-CONFIG += c++11 link_pkgconfig resources_big testcase no_testcase_installs
+CONFIG += c++14 link_pkgconfig resources_big testcase no_testcase_installs
 
 #访问私有方法 -fno-access-control
 QMAKE_CXXFLAGS += -g -Wall -fprofile-arcs -ftest-coverage -fno-access-control -O0 -fno-inline