diff --git a/ffmpegdemo/ffmpeg/ffmpeg.pri b/ffmpegdemo/ffmpeg/ffmpeg.pri
index 5e5ce40..4de0580 100644
--- a/ffmpegdemo/ffmpeg/ffmpeg.pri
+++ b/ffmpegdemo/ffmpeg/ffmpeg.pri
@@ -2,6 +2,9 @@ HEADERS     += $$PWD/ffmpeghead.h
 HEADERS     += $$PWD/ffmpeg.h
 SOURCES     += $$PWD/ffmpeg.cpp
 
+#如果用的是ffmpeg4内核请将ffmpeg3改成ffmpeg4,两种内核不兼容,头文件也不一样
+DEFINES += ffmpeg3
+
 #ffmpeg4则使用ffmpeg4的目录
 contains(DEFINES, ffmpeg4) {
 strPath = ffmpeg4
@@ -9,17 +12,23 @@ strPath = ffmpeg4
 strPath = ffmpeg3
 }
 
-#32位的库则使用32位的库的头文件和lib文件
-contains(DEFINES, qt32) {
-strLib = winlib
-strInclude = include
-} else {
+#表示64位的构建套件
+contains(QT_ARCH, x86_64) {
 strLib = winlib64
 strInclude = include64
+} else {
+#由于Qt4不支持QT_ARCH所以会执行下面的
+#如果用的64位的Qt4则需要自行修改
+strLib = winlib
+strInclude = include
+}
+
+#表示arm平台构建套件
+contains(QT_ARCH, arm) {
+strInclude = include
 }
 
 INCLUDEPATH += $$PWD/$$strPath/$$strInclude
-INCLUDEPATH += $$PWD/$$strPath/$$strInclude/plugins
 
 win32 {
 LIBS += -L$$PWD/$$strPath/$$strLib/ -lavcodec -lavfilter -lavformat -lswscale -lavutil -lswresample -lavdevice
diff --git a/ffmpegdemo/ffmpegdemo.pro b/ffmpegdemo/ffmpegdemo.pro
index b90f4b2..d1a2522 100644
--- a/ffmpegdemo/ffmpegdemo.pro
+++ b/ffmpegdemo/ffmpegdemo.pro
@@ -10,9 +10,6 @@ UI_DIR      = temp/ui
 OBJECTS_DIR = temp/obj
 DESTDIR     = $$PWD/../bin
 
-#ffmpeg3表示用ffmpeg3版本 可以改成ffmpeg4表示用ffmpeg4版本
-#qt32表示采用32位的ffmpeg 可以改成qt64表示采用64位的ffmpeg
-DEFINES     += ffmpeg3 qt32
 SOURCES     += main.cpp widget.cpp
 HEADERS     += widget.h
 FORMS       += widget.ui
diff --git a/vlcdemo/vlc/vlc.pri b/vlcdemo/vlc/vlc.pri
index e1fa098..ac8a468 100644
--- a/vlcdemo/vlc/vlc.pri
+++ b/vlcdemo/vlc/vlc.pri
@@ -2,6 +2,9 @@ HEADERS     += $$PWD/vlchead.h
 HEADERS     += $$PWD/vlc.h   
 SOURCES     += $$PWD/vlc.cpp
 
+#如果用的是vlc3内核请将vlc2改成vlc3,两种内核不兼容,头文件也不一样,建议用vlc2
+DEFINES += vlc2
+
 #vlc3则使用vlc3的目录
 contains(DEFINES, vlc3) {
 strPath = vlc3
@@ -9,13 +12,13 @@ strPath = vlc3
 strPath = vlc2
 }
 
-#32位的库则使用32位的库的头文件和lib文件
-contains(DEFINES, qt32) {
-strLib = winlib
-strInclude = include
-} else {
+#表示64位的构建套件
+contains(QT_ARCH, x86_64) {
 strLib = winlib64
 strInclude = include64
+} else {
+strLib = winlib
+strInclude = include
 }
 
 INCLUDEPATH += $$PWD/$$strPath/$$strInclude
diff --git a/vlcdemo/vlcdemo.pro b/vlcdemo/vlcdemo.pro
index 86484b8..c66bc3d 100644
--- a/vlcdemo/vlcdemo.pro
+++ b/vlcdemo/vlcdemo.pro
@@ -10,9 +10,6 @@ UI_DIR      = temp/ui
 OBJECTS_DIR = temp/obj
 DESTDIR     = $$PWD/../bin
 
-#vlc2表示用vlc2版本 可以改成vlc3表示用vlc3版本
-#qt32表示采用32位的vlc 可以改成qt64表示采用64位的vlc
-DEFINES     += vlc2 qt32
 SOURCES     += main.cpp widget.cpp
 HEADERS     += widget.h
 FORMS       += widget.ui