diff --git a/app/command.ts b/app/command.ts
index e515e5f0bb4..bea4e06f381 100644
--- a/app/command.ts
+++ b/app/command.ts
@@ -41,13 +41,16 @@ interface ChatCommands {
   del?: Command;
 }
 
-export const ChatCommandPrefix = ":";
+// Compatible with Chinese colon character "："
+export const ChatCommandPrefix = /^[:：]/;
 
 export function useChatCommand(commands: ChatCommands = {}) {
   function extract(userInput: string) {
-    return (
-      userInput.startsWith(ChatCommandPrefix) ? userInput.slice(1) : userInput
-    ) as keyof ChatCommands;
+    const match = userInput.match(ChatCommandPrefix);
+    if (match) {
+      return userInput.slice(1) as keyof ChatCommands;
+    }
+    return userInput as keyof ChatCommands;
   }
 
   function search(userInput: string) {
@@ -57,7 +60,7 @@ export function useChatCommand(commands: ChatCommands = {}) {
       .filter((c) => c.startsWith(input))
       .map((c) => ({
         title: desc[c as keyof ChatCommands],
-        content: ChatCommandPrefix + c,
+        content: ":" + c,
       }));
   }
 
diff --git a/app/components/chat.tsx b/app/components/chat.tsx
index bb4b611ad79..ade30967584 100644
--- a/app/components/chat.tsx
+++ b/app/components/chat.tsx
@@ -732,6 +732,7 @@ function _Chat() {
   const session = chatStore.currentSession();
   const config = useAppConfig();
   const fontSize = config.fontSize;
+  const fontFamily = config.fontFamily;
 
   const [showExport, setShowExport] = useState(false);
 
@@ -811,7 +812,7 @@ function _Chat() {
     // clear search results
     if (n === 0) {
       setPromptHints([]);
-    } else if (text.startsWith(ChatCommandPrefix)) {
+    } else if (text.match(ChatCommandPrefix)) {
       setPromptHints(chatCommands.search(text));
     } else if (!config.disablePromptHint && n < SEARCH_TEXT_LIMIT) {
       // check if need to trigger auto completion
@@ -1482,6 +1483,7 @@ function _Chat() {
                         setUserInput(getMessageTextContent(message));
                       }}
                       fontSize={fontSize}
+                      fontFamily={fontFamily}
                       parentRef={scrollRef}
                       defaultShow={i >= messages.length - 6}
                     />
@@ -1576,6 +1578,7 @@ function _Chat() {
             autoFocus={autoFocus}
             style={{
               fontSize: config.fontSize,
+              fontFamily: config.fontFamily,
             }}
           />
           {attachImages.length != 0 && (
diff --git a/app/components/exporter.tsx b/app/components/exporter.tsx
index 8210f61fb8f..1771cc9b013 100644
--- a/app/components/exporter.tsx
+++ b/app/components/exporter.tsx
@@ -583,6 +583,7 @@ export function ImagePreviewer(props: {
                 <Markdown
                   content={getMessageTextContent(m)}
                   fontSize={config.fontSize}
+                  fontFamily={config.fontFamily}
                   defaultShow
                 />
                 {getMessageImages(m).length == 1 && (
diff --git a/app/components/markdown.tsx b/app/components/markdown.tsx
index c12daed6468..1531d2ff0e0 100644
--- a/app/components/markdown.tsx
+++ b/app/components/markdown.tsx
@@ -232,6 +232,7 @@ export function Markdown(
     content: string;
     loading?: boolean;
     fontSize?: number;
+    fontFamily?: string;
     parentRef?: RefObject<HTMLDivElement>;
     defaultShow?: boolean;
   } & React.DOMAttributes<HTMLDivElement>,
@@ -243,6 +244,7 @@ export function Markdown(
       className="markdown-body"
       style={{
         fontSize: `${props.fontSize ?? 14}px`,
+        fontFamily: props.fontFamily || "inherit",
       }}
       ref={mdRef}
       onContextMenu={props.onContextMenu}
diff --git a/app/components/settings.tsx b/app/components/settings.tsx
index 3197812259e..93976ac4551 100644
--- a/app/components/settings.tsx
+++ b/app/components/settings.tsx
@@ -1316,6 +1316,22 @@ export function Settings() {
             ></InputRange>
           </ListItem>
 
+          <ListItem
+            title={Locale.Settings.FontFamily.Title}
+            subTitle={Locale.Settings.FontFamily.SubTitle}
+          >
+            <input
+              type="text"
+              value={config.fontFamily}
+              placeholder={Locale.Settings.FontFamily.Placeholder}
+              onChange={(e) =>
+                updateConfig(
+                  (config) => (config.fontFamily = e.currentTarget.value),
+                )
+              }
+            ></input>
+          </ListItem>
+
           <ListItem
             title={Locale.Settings.AutoGenerateTitle.Title}
             subTitle={Locale.Settings.AutoGenerateTitle.SubTitle}
diff --git a/app/locales/ar.ts b/app/locales/ar.ts
index b58c3a2e8e5..0a35ba603f8 100644
--- a/app/locales/ar.ts
+++ b/app/locales/ar.ts
@@ -111,6 +111,11 @@ const ar: PartialLocaleType = {
       Title: "حجم الخط",
       SubTitle: "ضبط حجم الخط لمحتوى الدردشة",
     },
+    FontFamily: {
+      Title: "خط الدردشة",
+      SubTitle: "خط محتوى الدردشة، اتركه فارغًا لتطبيق الخط الافتراضي العالمي",
+      Placeholder: "اسم الخط",
+    },
     InjectSystemPrompts: {
       Title: "حقن تلميحات النظام",
       SubTitle:
diff --git a/app/locales/bn.ts b/app/locales/bn.ts
index 6dfb0da9bc4..cc650a3fe99 100644
--- a/app/locales/bn.ts
+++ b/app/locales/bn.ts
@@ -136,6 +136,12 @@ const bn: PartialLocaleType = {
       Title: "ফন্ট সাইজ",
       SubTitle: "চ্যাট সামগ্রীর ফন্ট সাইজ সংশোধন করুন",
     },
+    FontFamily: {
+      Title: "চ্যাট ফন্ট",
+      SubTitle:
+        "চ্যাট সামগ্রীর ফন্ট, বিশ্বব্যাপী ডিফল্ট ফন্ট প্রয়োগ করতে খালি রাখুন",
+      Placeholder: "ফন্টের নাম",
+    },
     InjectSystemPrompts: {
       Title: "حقن تلميحات النظام",
       SubTitle:
diff --git a/app/locales/cn.ts b/app/locales/cn.ts
index dea7232fcd4..69ada8784a0 100644
--- a/app/locales/cn.ts
+++ b/app/locales/cn.ts
@@ -156,6 +156,11 @@ const cn = {
       Title: "字体大小",
       SubTitle: "聊天内容的字体大小",
     },
+    FontFamily: {
+      Title: "聊天字体",
+      SubTitle: "聊天内容的字体，若置空则应用全局默认字体",
+      Placeholder: "字体名称",
+    },
     InjectSystemPrompts: {
       Title: "注入系统级提示信息",
       SubTitle: "强制给每次请求的消息列表开头添加一个模拟 ChatGPT 的系统提示",
diff --git a/app/locales/cs.ts b/app/locales/cs.ts
index c1a84430fb3..e70a0e839d7 100644
--- a/app/locales/cs.ts
+++ b/app/locales/cs.ts
@@ -71,6 +71,12 @@ const cs: PartialLocaleType = {
       Title: "Velikost písma",
       SubTitle: "Nastavení velikosti písma obsahu chatu",
     },
+    FontFamily: {
+      Title: "Chatové Písmo",
+      SubTitle:
+        "Písmo obsahu chatu, ponechejte prázdné pro použití globálního výchozího písma",
+      Placeholder: "Název Písma",
+    },
     InjectSystemPrompts: {
       Title: "Vložit systémové prompty",
       SubTitle:
diff --git a/app/locales/de.ts b/app/locales/de.ts
index 2fe871bc9f0..e50760d88f6 100644
--- a/app/locales/de.ts
+++ b/app/locales/de.ts
@@ -71,6 +71,12 @@ const de: PartialLocaleType = {
       Title: "Schriftgröße",
       SubTitle: "Schriftgröße des Chat-Inhalts anpassen",
     },
+    FontFamily: {
+      Title: "Chat-Schriftart",
+      SubTitle:
+        "Schriftart des Chat-Inhalts, leer lassen, um die globale Standardschriftart anzuwenden",
+      Placeholder: "Schriftartname",
+    },
     InjectSystemPrompts: {
       Title: "System-Prompts einfügen",
       SubTitle:
diff --git a/app/locales/en.ts b/app/locales/en.ts
index d036ffce010..9a7410cbe0b 100644
--- a/app/locales/en.ts
+++ b/app/locales/en.ts
@@ -158,6 +158,12 @@ const en: LocaleType = {
       Title: "Font Size",
       SubTitle: "Adjust font size of chat content",
     },
+    FontFamily: {
+      Title: "Chat Font Family",
+      SubTitle:
+        "Font Family of the chat content, leave empty to apply global default font",
+      Placeholder: "Font Family Name",
+    },
     InjectSystemPrompts: {
       Title: "Inject System Prompts",
       SubTitle: "Inject a global system prompt for every request",
diff --git a/app/locales/es.ts b/app/locales/es.ts
index 7d742d536e5..f595fa3fc4c 100644
--- a/app/locales/es.ts
+++ b/app/locales/es.ts
@@ -71,6 +71,12 @@ const es: PartialLocaleType = {
       Title: "Tamaño de fuente",
       SubTitle: "Ajustar el tamaño de fuente del contenido del chat",
     },
+    FontFamily: {
+      Title: "Fuente del Chat",
+      SubTitle:
+        "Fuente del contenido del chat, dejar vacío para aplicar la fuente predeterminada global",
+      Placeholder: "Nombre de la Fuente",
+    },
     InjectSystemPrompts: {
       Title: "Inyectar Prompts del Sistema",
       SubTitle:
diff --git a/app/locales/fr.ts b/app/locales/fr.ts
index 944754d62a7..0fac154ed8e 100644
--- a/app/locales/fr.ts
+++ b/app/locales/fr.ts
@@ -111,6 +111,12 @@ const fr: PartialLocaleType = {
       Title: "Taille des polices",
       SubTitle: "Ajuste la taille de police du contenu de la conversation",
     },
+    FontFamily: {
+      Title: "Police de Chat",
+      SubTitle:
+        "Police du contenu du chat, laissez vide pour appliquer la police par défaut globale",
+      Placeholder: "Nom de la Police",
+    },
     InjectSystemPrompts: {
       Title: "Injecter des invites système",
       SubTitle:
diff --git a/app/locales/id.ts b/app/locales/id.ts
index 571156a5776..0353433f9c7 100644
--- a/app/locales/id.ts
+++ b/app/locales/id.ts
@@ -140,6 +140,12 @@ const id: PartialLocaleType = {
       Title: "Ukuran Font",
       SubTitle: "Ubah ukuran font konten chat",
     },
+    FontFamily: {
+      Title: "Font Obrolan",
+      SubTitle:
+        "Font dari konten obrolan, biarkan kosong untuk menerapkan font default global",
+      Placeholder: "Nama Font",
+    },
     InjectSystemPrompts: {
       Title: "Suntikkan Petunjuk Sistem",
       SubTitle:
@@ -369,8 +375,8 @@ const id: PartialLocaleType = {
   },
   Exporter: {
     Description: {
-      Title: "Hanya pesan setelah menghapus konteks yang akan ditampilkan"
-    },  
+      Title: "Hanya pesan setelah menghapus konteks yang akan ditampilkan",
+    },
     Model: "Model",
     Messages: "Pesan",
     Topic: "Topik",
diff --git a/app/locales/it.ts b/app/locales/it.ts
index 7f0a95846c2..5981c8d3db3 100644
--- a/app/locales/it.ts
+++ b/app/locales/it.ts
@@ -71,6 +71,12 @@ const it: PartialLocaleType = {
       Title: "Dimensione carattere",
       SubTitle: "Regolare la dimensione dei caratteri del contenuto della chat",
     },
+    FontFamily: {
+      Title: "Font della Chat",
+      SubTitle:
+        "Carattere del contenuto della chat, lascia vuoto per applicare il carattere predefinito globale",
+      Placeholder: "Nome del Font",
+    },
     InjectSystemPrompts: {
       Title: "Inserisci Prompts di Sistema",
       SubTitle:
diff --git a/app/locales/jp.ts b/app/locales/jp.ts
index dcbd0f2821b..94ed8f8acdc 100644
--- a/app/locales/jp.ts
+++ b/app/locales/jp.ts
@@ -118,6 +118,12 @@ const jp: PartialLocaleType = {
       Title: "フォントサイズ",
       SubTitle: "チャット内容のフォントサイズ",
     },
+    FontFamily: {
+      Title: "チャットフォント",
+      SubTitle:
+        "チャットコンテンツのフォント、空白の場合はグローバルデフォルトフォントを適用します",
+      Placeholder: "フォント名",
+    },
     InjectSystemPrompts: {
       Title: "システムプロンプトの挿入",
       SubTitle:
diff --git a/app/locales/ko.ts b/app/locales/ko.ts
index 844459fc4ea..b392e1c77bb 100644
--- a/app/locales/ko.ts
+++ b/app/locales/ko.ts
@@ -72,6 +72,11 @@ const ko: PartialLocaleType = {
       Title: "글꼴 크기",
       SubTitle: "채팅 내용의 글꼴 크기 조정",
     },
+    FontFamily: {
+      Title: "채팅 폰트",
+      SubTitle: "채팅 내용의 폰트, 비워 두면 글로벌 기본 폰트를 적용",
+      Placeholder: "폰트 이름",
+    },
     InjectSystemPrompts: {
       Title: "시스템 프롬프트 주입",
       SubTitle:
diff --git a/app/locales/no.ts b/app/locales/no.ts
index 3a0e61107a4..5e9dc252d72 100644
--- a/app/locales/no.ts
+++ b/app/locales/no.ts
@@ -66,6 +66,12 @@ const no: PartialLocaleType = {
       Title: "Fontstørrelsen",
       SubTitle: "Juster fontstørrelsen for samtaleinnholdet.",
     },
+    FontFamily: {
+      Title: "Chat-skrifttype",
+      SubTitle:
+        "Skrifttypen for chatinnhold, la stå tom for å bruke global standardskrifttype",
+      Placeholder: "Skriftnavn",
+    },
     InjectSystemPrompts: {
       Title: "Sett inn systemprompter",
       SubTitle:
diff --git a/app/locales/pt.ts b/app/locales/pt.ts
index 8151b7aa4ac..10e915e9254 100644
--- a/app/locales/pt.ts
+++ b/app/locales/pt.ts
@@ -153,6 +153,12 @@ const pt: PartialLocaleType = {
       Title: "Tamanho da Fonte",
       SubTitle: "Ajustar o tamanho da fonte do conteúdo do chat",
     },
+    FontFamily: {
+      Title: "Fonte do Chat",
+      SubTitle:
+        "Fonte do conteúdo do chat, deixe vazio para aplicar a fonte padrão global",
+      Placeholder: "Nome da Fonte",
+    },
     InjectSystemPrompts: {
       Title: "Inserir Prompts de Sistema",
       SubTitle: "Inserir um prompt de sistema global para cada requisição",
diff --git a/app/locales/ru.ts b/app/locales/ru.ts
index d12cf3e4258..b547402eae0 100644
--- a/app/locales/ru.ts
+++ b/app/locales/ru.ts
@@ -71,6 +71,12 @@ const ru: PartialLocaleType = {
       Title: "Размер шрифта",
       SubTitle: "Настроить размер шрифта контента чата",
     },
+    FontFamily: {
+      Title: "Шрифт чата",
+      SubTitle:
+        "Шрифт содержимого чата, оставьте пустым для применения глобального шрифта по умолчанию",
+      Placeholder: "Название шрифта",
+    },
     InjectSystemPrompts: {
       Title: "Вставить системные подсказки",
       SubTitle:
diff --git a/app/locales/sk.ts b/app/locales/sk.ts
index a97b7175c24..9014f4f0c85 100644
--- a/app/locales/sk.ts
+++ b/app/locales/sk.ts
@@ -155,6 +155,12 @@ const sk: PartialLocaleType = {
       Title: "Veľkosť písma",
       SubTitle: "Nastaviť veľkosť písma obsahu chatu",
     },
+    FontFamily: {
+      Title: "Chatové Písmo",
+      SubTitle:
+        "Písmo obsahu chatu, ponechajte prázdne pre použitie globálneho predvoleného písma",
+      Placeholder: "Názov Písma",
+    },
     InjectSystemPrompts: {
       Title: "Vložiť systémové výzvy",
       SubTitle: "Vložiť globálnu systémovú výzvu pre každú požiadavku",
diff --git a/app/locales/tr.ts b/app/locales/tr.ts
index 524c1b2c546..551e5e342c6 100644
--- a/app/locales/tr.ts
+++ b/app/locales/tr.ts
@@ -71,6 +71,12 @@ const tr: PartialLocaleType = {
       Title: "Yazı Boyutu",
       SubTitle: "Sohbet içeriğinin yazı boyutunu ayarlayın",
     },
+    FontFamily: {
+      Title: "Sohbet Yazı Tipi",
+      SubTitle:
+        "Sohbet içeriğinin yazı tipi, boş bırakıldığında küresel varsayılan yazı tipi uygulanır",
+      Placeholder: "Yazı Tipi Adı",
+    },
     InjectSystemPrompts: {
       Title: "Sistem İpucu Ekleyin",
       SubTitle:
diff --git a/app/locales/tw.ts b/app/locales/tw.ts
index 8011de13f74..03afd432c85 100644
--- a/app/locales/tw.ts
+++ b/app/locales/tw.ts
@@ -153,6 +153,11 @@ const tw = {
       Title: "字型大小",
       SubTitle: "聊天內容的字型大小",
     },
+    FontFamily: {
+      Title: "聊天字體",
+      SubTitle: "聊天內容的字體，若置空則應用全局默認字體",
+      Placeholder: "字體名稱",
+    },
     InjectSystemPrompts: {
       Title: "匯入系統提示",
       SubTitle: "強制在每個請求的訊息列表開頭新增一個模擬 ChatGPT 的系統提示",
diff --git a/app/locales/vi.ts b/app/locales/vi.ts
index 3d95b566497..1f5c4fc685b 100644
--- a/app/locales/vi.ts
+++ b/app/locales/vi.ts
@@ -71,6 +71,12 @@ const vi: PartialLocaleType = {
       Title: "Font chữ",
       SubTitle: "Thay đổi font chữ của nội dung trò chuyện",
     },
+    FontFamily: {
+      Title: "Phông Chữ Trò Chuyện",
+      SubTitle:
+        "Phông chữ của nội dung trò chuyện, để trống để áp dụng phông chữ mặc định toàn cầu",
+      Placeholder: "Tên Phông Chữ",
+    },
     InjectSystemPrompts: {
       Title: "Tiêm Prompt Hệ thống",
       SubTitle:
diff --git a/app/store/config.ts b/app/store/config.ts
index 1eaafe12b1d..a451c2f3f43 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -33,6 +33,7 @@ export const DEFAULT_CONFIG = {
   submitKey: SubmitKey.Enter,
   avatar: "1f603",
   fontSize: 14,
+  fontFamily: "",
   theme: Theme.Auto as Theme,
   tightBorder: !!config?.isApp,
   sendPreviewBubble: true,
diff --git a/app/utils.ts b/app/utils.ts
index 2f2c8ae95ab..68be8d1f7aa 100644
--- a/app/utils.ts
+++ b/app/utils.ts
@@ -194,6 +194,7 @@ export function autoGrowTextArea(dom: HTMLTextAreaElement) {
   measureDom.style.width = width + "px";
   measureDom.innerText = dom.value !== "" ? dom.value : "1";
   measureDom.style.fontSize = dom.style.fontSize;
+  measureDom.style.fontFamily = dom.style.fontFamily;
   const endWithEmptyLine = dom.value.endsWith("\n");
   const height = parseFloat(window.getComputedStyle(measureDom).height);
   const singleLineHeight = parseFloat(