You can use this settings.

{
    "editor.mouseWheelZoom": true, "editor.trimAutoWhitespace": false,
    "editor.fontFamily": "'dejavu sans mono', consolas, simsun, 'microsoft yahei'",
    "editor.unicodeHighlight.invisibleCharacters": false,  "editor.unicodeHighlight.ambiguousCharacters": false,
    "editor.detectIndentation": false,  "editor.renderWhitespace": "all",
    "update.mode": "none",  "extensions.autoUpdate": false,  "update.enableWindowsBackgroundUpdates": false,
    "files.defaultLanguage": "cpp", "editor.renderLineHighlight": "gutter", "editor.links": false,
    "render-special-chars.include": ["0080-10FFFF"], "render-special-chars.except": [
        "¡-¬®-žǍ-ǜḀ-ỹ", "Ѐ-҂Ҋ-ӿ", "Ά-ώ", "ء-غف-ي", "ɑ-ɜɪʊʌʃ", "ſƒǺǻǼǽǾǿȘșȚțƠơƯư",
        "–—‘-•…ˆˇˌ˘-˝", "！％（），：-Ｚａ-ｚ［］｛｝～、-〗", "①-⓿❶-❿", "ぁ-んァ-ヶー", "가-힣", "一-鿿",
        "ᴬ-ᵥᶛ-ᶿ⁰-ₜⱼⱽ←-∑∓√-∵∷-⊋⊕⊙⊥⌒⌈-⌋⅓-⅞‰", "₠-₿№™❁❀※⚐⚑✔✘★☆✦✧▲△▶▷▼▽◀◁◆◇◉◎◯●◍☠│┃", 
    ], "highlight-bad-chars.additionalUnicodeChars": ["Ѐ-҂Ҋ-ӿ‚Đ", ], 
    "highlight-bad-chars.allowedUnicodeChars": ["–", "—"],
    "highlight-bad-chars.badCharDecorationStyle": { "backgroundColor": "#ccdf", "borderColor": "#aaef" },
    "highlight-unexpected-characters.rules": ["–Ά-ώ∁"],
    "C_Cpp.default.compilerPath": "C:\\Program Files (x86)\\Embarcadero\\Dev-Cpp\\TDM-GCC-64\\bin\\g++.exe",
    "extensions.experimental.affinity": { "miku3920.vscode-render-special-chars": 2,
        "wengerk.highlight-bad-chars": 2, "gizeta.highlight-unexpected-characters": 2,
        "brunnerh.insert-unicode": 2, "alefragnani.pascal": 2 },
    "workbench.colorCustomizations": {
        "editor.background": "#e5f7e7", "editorWhitespace.foreground": "#bbbc", "editor.selectionBackground": "#7db8", 
        "editorBracketHighlight.foreground1": "#8959a8", "editorBracketHighlight.foreground2": "#b61",
        "editorBracketHighlight.foreground3": "#4271AE", "editorBracketHighlight.foreground4": "#971",
        "editorBracketHighlight.foreground5": "#3E999F", "editorBracketHighlight.foreground6": "#718c00",
        "editorBracketHighlight.unexpectedBracket.foreground": "#d22",
        "editor.wordHighlightBackground": "#bbb4",
    },
    "editor.tokenColorCustomizations": {
        "types": "#971", "numbers": "#b61", "comments": "#888", "variables": "#222", "keywords": "#8959a8",
        "textMateRules": [
            {"scope": "variable.parameter", "settings": {"foreground": "#b61", "fontStyle": "" } },
            {"scope": "constant.language", "settings": {"foreground": "#8959a8", "fontStyle": "" } },
            {"scope": "keyword.other", "settings": {"foreground": "#3E999F", "fontStyle": "" } },
            {"scope": "keyword.other.unit", "settings": {"foreground": "#b61", "fontStyle": "" } },
            {"scope": "entity.name.type.class", "settings": {"foreground": "#971", "fontStyle": "" } }, 
            {"scope": "constant.character", "settings": {"foreground": "#b61", "fontStyle": "" } }, 
            {"scope": "constant.other", "settings": {"foreground": "#8959a8", "fontStyle": "" } }, 
            {"scope": "entity.name.function.preprocessor", "settings": {"foreground": "#a26", "fontStyle": "" } }, 
        ]
    },
    "C_Cpp.inactiveRegionOpacity": 1, "C_Cpp.inactiveRegionForegroundColor": "#888",
    "accessibility.voice.speechLanguage": 
    "zh-CN" //You can modify this line.
    ,
    "editor.showUnused": false,
    "workbench.colorTheme": "Tomorrow",
}
//Install Extensions:
//(1) Render Special Characters (by miku3920)
//(2) Highlight Bad Chars (by Kevin Wenger)
//(3) Highlight Unexpected Characters (by Gizeta)
//(4) C/C++ Extension Pack (by Microsoft)
//(5) Insert Unicode (by brunnerh)
//(6) Vs Code Speech (by Microsoft)