Visual studio code Tasks.json文件未在vscode中更新

我在windows上使用wsl2

使用vscode时，更改tasks.json的args值不会在编译时更新。要应用tasks.json的更改值，需要重新启动vscode

我想更改下面的缓冲区大小，然后在使用ctrl+shift+b进行构建时应用它。 我怎样才能修好它

    {
        "type": "shell",
        "label": "C/C++: gcc build active file",
        "command": "/usr/bin/gcc",
        "args": [
            "-Wall",
            "-Werror",
            "-Wextra",
            "-g",
            "-D",
            "BUFFER_SIZE=1000000",
            "*.c",
            "-o",
            "${fileDirname}/${fileBasenameNoExtension}"
        ],
        "options": {
            "cwd": "${workspaceFolder}"
        },
        "problemMatcher": [
            "$gcc"
        ],
        "group": {
            "kind": "build",
            "isDefault": true
        },
        "detail": "compiler: /usr/bin/gcc"
    },