update Qt version

en_us/docs/Developers/Build VNote.md

@@ -1,5 +1,5 @@
 # Build VNote
-You need **Qt 5.12** and above to build VNote from source.
+You need **Qt 5.15** and above to build VNote from source.
 
 ## Get the Source Code of VNote
 VNote's source code is available on [GitHub](https://github.com/vnotex/vnote). You could download the ZIP archive of the code. Please be aware of that VNote depends on some submodules, so you should also download the source codes of these modules.
@@ -12,8 +12,8 @@ cd vnote.git
 git submodule update --init --recursive
 ```
 
-## Get Qt 5.12
-You could get the standalone Qt SDK from [Qt Downloads](http://info.qt.io/download-qt-for-application-development). For users in China, you could speed up the download via the [TUNA Mirrors](https://mirrors4.tuna.tsinghua.edu.cn/qt/official_releases/qt/5.12/).
+## Get Qt 5.15
+You could get the standalone Qt SDK from [Qt Downloads](http://info.qt.io/download-qt-for-application-development). For users in China, you could speed up the download via the [TUNA Mirrors](https://mirrors4.tuna.tsinghua.edu.cn/qt/official_releases/qt/5.15/).
 
 ## Windows
 On Windows, you need **Visual Studio 2015** or above to compile VNote (Mingw is **not** supported).
@@ -21,10 +21,10 @@ On Windows, you need **Visual Studio 2015** or above to compile VNote (Mingw is
 Open **Qt Creator** and open `vnote.git\vnote.pro` as project. Now you are ready to tune and compile VNote!
 
 ## Linux
-In Ubuntu, you could get Qt 5.12 from PPA like this:
+In Ubuntu, you could get Qt 5.15 from PPA like this:
 
 ```sh
-sudo add-apt-repository ppa:beineri/opt-qt-5.12.10-bionic -y
+sudo add-apt-repository ppa:beineri/opt-qt-5.15.10-bionic -y
 sudo apt-get update -qq
 sudo apt-get -y install qt512base qt512webengine
 sudo apt-get -y install qt512webchannel qt512svg qt512location qt512tools qt512translations
@@ -56,7 +56,7 @@ If there is no such lib, you may need to install and configure Fcitx for Qt5 cor
 Then you need to copy the lib to Qt's plugin directory:
 
 ```
-<path_to_Qt_installation_directory>/5.12.10/gcc_64/plugins/platforminputcontexts/
+<path_to_Qt_installation_directory>/5.15.2/gcc_64/plugins/platforminputcontexts/
 ```
 
 ### OpenSSL
@@ -70,7 +70,7 @@ After the installation of openSSL, you could find two lib files:
 Copy these two files to Qt's library directory:
 
 ```
-<path_to_Qt_installation_directory>/5.12.10/gcc_64/lib/
+<path_to_Qt_installation_directory>/5.15.2/gcc_64/lib/
 ```
 
 In Qt's library directory, create symlinks for these two files:
@@ -84,16 +84,16 @@ ln -s libssl.so.1.0.0 libssl.so
 If you prefer command line on macOS, you could follow these steps.
 
 1. Install Xcode and Homebrew;
-2. Install Qt 5.12.10 via Homebrew:
+2. Install Qt 5.15.2 via Homebrew:
 
     ```
-    brew install [email protected].10
+    brew install [email protected]5.2
     ```
 
 3. In the project directory, create `build_macos.sh` like this:
 
     ```sh
-    QTDIR="/usr/local/opt/[email protected].10"
+    QTDIR="/usr/local/opt/[email protected]5.2"
     PATH="$QTDIR/bin:$PATH"
     LDFLAGS=-L$QTDIR/lib
     CPPFLAGS=-I$QTDIR/include

en_us/docs/Developers/vx.json

@@ -5,7 +5,7 @@
             "attachment_folder": "",
             "created_time": "2018-11-24T12:11:19Z",
             "id": "17",
-            "modified_time": "2021-07-12T12:20:00Z",
+            "modified_time": "2022-03-26T05:50:40Z",
             "name": "Build VNote.md",
             "signature": "139119922920563",
             "tags": [

zh_cn/docs/开发者/vx.json

@@ -5,7 +5,7 @@
             "attachment_folder": "",
             "created_time": "2018-11-24T12:31:29Z",
             "id": "44",
-            "modified_time": "2021-07-12T12:19:46Z",
+            "modified_time": "2022-03-26T05:51:15Z",
             "name": "构建VNote.md",
             "signature": "65031737064563",
             "tags": [

zh_cn/docs/开发者/构建VNote.md

@@ -1,5 +1,5 @@
 # 构建VNote
-您需要**Qt 5.12**或以上版本才能从源代码创建VNote。
+您需要**Qt 5.15**或以上版本才能从源代码创建VNote。
 
 ## 获取VNote的源代码
 VNote的源代码可在[GitHub](https://github.com/vnotex/vnote)上获取。您可以下载代码的ZIP存档。请注意，VNote依赖于某些子模块，因此您还应该下载这些模块的源代码。
@@ -12,8 +12,8 @@ cd vnote.git
 git submodule update --init --recursive
 ```
 
-## 获取Qt 5.12
-您可以从[Qt Downloads](http://info.qt.io/download-qt-for-application-development)获取完整的Qt SDK。对于中国大陆用户，您可以通过[TUNA镜像](https://mirrors4.tuna.tsinghua.edu.cn/qt/official_releases/qt/5.12/)加快下载速度。
+## 获取Qt 5.15
+您可以从[Qt Downloads](http://info.qt.io/download-qt-for-application-development)获取完整的Qt SDK。对于中国大陆用户，您可以通过[TUNA镜像](https://mirrors4.tuna.tsinghua.edu.cn/qt/official_releases/qt/5.15/)加快下载速度。
 
 ## Windows
 在Windows上，您需要**Visual Studio 2015**或更高版本来编译VNote(Mingw**不**受支持)。
@@ -21,10 +21,10 @@ git submodule update --init --recursive
 打开**Qt Creator**并打开`vnote.git\vnote.pro`作为项目。现在您已准备好调整和编译VNote！
 
 ## Linux
-在Ubuntu中，你可以像这样从PPA获得Qt 5.12：
+在Ubuntu中，你可以像这样从PPA获得Qt 5.15：
 
 ```sh
-sudo add-apt-repository ppa:beineri/opt-qt5.12.10-bionic -y
+sudo add-apt-repository ppa:beineri/opt-qt5.15.2-bionic -y
 sudo apt-get update -qq
 sudo apt-get -y install qt512base qt512webengine
 sudo apt-get -y install qt512webchannel qt512svg qt512location qt512tools qt512translations
@@ -56,7 +56,7 @@ fcitx-diagnose | grep libfcitxplatforminputcontextplugin.so
 然后您需要将库文件复制到Qt的插件目录：
 
 ```
-<path_to_Qt_installation_directory>/5.12.10/gcc_64/plugins/platforminputcontexts/
+<path_to_Qt_installation_directory>/5.15.2/gcc_64/plugins/platforminputcontexts/
 ```
 
 ### OpenSSL
@@ -72,7 +72,7 @@ VNote需要**openSSL 1.0**以实现联网。
 将这两个文件复制到Qt的库目录中：
 
 ```
-<path_to_Qt_installation_directory>/5.12.10/gcc_64/lib/
+<path_to_Qt_installation_directory>/5.15.2/gcc_64/lib/
 ```
 
 在Qt的库目录中，为这两个文件创建符号链接：
@@ -89,13 +89,13 @@ ln -s libssl.so.1.0.0 libssl.so
 2. 通过Homebrew安装Qt：
 
     ```
-    brew install [email protected].10
+    brew install [email protected]5.2
     ```
 
 3. 在项目目录中，像下面那样创建`build_macos.sh`：
 
     ```sh
-    QTDIR="/usr/local/opt/[email protected].10"
+    QTDIR="/usr/local/opt/[email protected]5.2"
     PATH="$QTDIR/bin:$PATH"
     LDFLAGS=-L$QTDIR/lib
     CPPFLAGS=-I$QTDIR/include