hello； Configuration error

[Guangwen11]

The error is as follows：
CMake Error at CMakeLists.txt:4 (project):
Generator
Visual Studio 16 2019
could not find any instance of Visual Studio.
What should I do？

[Guangwen11]

sorry i solve

[Guangwen11]

Another mistake：
Checking Build System
Creating directories for '_darabonba_core-populate'
Building Custom Rule C:/iot-20180120-master/cmake_build/_deps/_darabonba_core-subbuild/CMakeLists.txt
Performing download step (git clone) for '_darabonba_core-populate'
Cloning into '_darabonba_core-src'...
fatal: unable to access 'https://github.com/aliyun/tea-cpp.git/': OpenSSL SSL_read: Connection was reset, errno 10054
Cloning into '_darabonba_core-src'...
fatal: unable to access 'https://github.com/aliyun/tea-cpp.git/': Failed to connect to github.com port 443: Timed out
Cloning into '_darabonba_core-src'...
fatal: unable to access 'https://github.com/aliyun/tea-cpp.git/': Failed to connect to github.com port 443: Timed out
-- Had to git clone more than once:
CMake Error at _darabonba_core-subbuild/_darabonba_core-populate-prefix/tmp/_darabonba_core-populate-gitclone.cmake:31 (message): 3 times.
Failed to clone repository: 'https://github.com/aliyun/tea-cpp.git'
C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.CppCommon.targets(209,5): error MSB6006: “cmd.exe”已退出，代码为 1。 [C:\iot-20180120-master\cmake_build_deps_darabonba_core-subbuild_darabonba_core-populate.vcxproj]
CMake Error at C:/cmake-3.15.3-win64-x64/share/cmake-3.15/Modules/FetchContent.cmake:915 (message):
Build step for _darabonba_core failed: 1
Call Stack (most recent call first):
C:/cmake-3.15.3-win64-x64/share/cmake-3.15/Modules/FetchContent.cmake:1006 (__FetchContent_directPopulate)
cmake_build/_deps/_darabonba_util-src/external/darabonba_core/CMakeLists.txt:18 (FetchContent_Populate)

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