diff --git a/app/components/home.tsx b/app/components/home.tsx
index 909e5406..341054b8 100644
--- a/app/components/home.tsx
+++ b/app/components/home.tsx
@@ -102,7 +102,7 @@ export function ChatList() {
       state.currentSessionIndex,
       state.selectSession,
       state.removeSession,
-    ]
+    ],
   );
 
   return (
@@ -128,7 +128,7 @@ function useSubmitHandler() {
 
   const shouldSubmit = (e: KeyboardEvent) => {
     if (e.key !== "Enter") return false;
- 
+
     return (
       (config.submitKey === SubmitKey.AltEnter && e.altKey) ||
       (config.submitKey === SubmitKey.CtrlEnter && e.ctrlKey) ||
@@ -170,7 +170,10 @@ export function PromptHints(props: {
   );
 }
 
-export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean }) {
+export function Chat(props: {
+  showSideBar?: () => void;
+  sideBarShowing?: boolean;
+}) {
   type RenderMessage = Message & { preview?: boolean };
 
   const chatStore = useChatStore();
@@ -190,11 +193,10 @@ export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean
   const [promptHints, setPromptHints] = useState<Prompt[]>([]);
   const onSearch = useDebouncedCallback(
     (text: string) => {
-      if (chatStore.config.disablePromptHint) return;
       setPromptHints(promptStore.search(text));
     },
     100,
-    { leading: true, trailing: true }
+    { leading: true, trailing: true },
   );
 
   const onPromptSelect = (prompt: Prompt) => {
@@ -203,20 +205,31 @@ export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean
     inputRef.current?.focus();
   };
 
+  const scrollInput = () => {
+    const dom = inputRef.current;
+    if (!dom) return;
+    const paddingBottomNum: number = parseInt(
+      window.getComputedStyle(dom).paddingBottom,
+      10,
+    );
+    dom.scrollTop = dom.scrollHeight - dom.offsetHeight + paddingBottomNum;
+  };
+
   // only search prompts when user input is short
   const SEARCH_TEXT_LIMIT = 30;
   const onInput = (text: string) => {
-    const textareaDom = inputRef.current
-    if (textareaDom) {
-      const paddingBottomNum: number = parseInt(window.getComputedStyle(textareaDom).paddingBottom, 10);
-      textareaDom.scrollTop = textareaDom.scrollHeight - textareaDom.offsetHeight + paddingBottomNum;
-    }
+    scrollInput();
     setUserInput(text);
     const n = text.trim().length;
-    if (n === 0 || n > SEARCH_TEXT_LIMIT) {
+
+    // clear search results
+    if (n === 0) {
       setPromptHints([]);
-    } else {
-      onSearch(text);
+    } else if (!chatStore.config.disablePromptHint && n < SEARCH_TEXT_LIMIT) {
+      // check if need to trigger auto completion
+      if (text.startsWith("/") && text.length > 1) {
+        onSearch(text.slice(1));
+      }
     }
   };
 
@@ -285,7 +298,7 @@ export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean
               preview: true,
             },
           ]
-        : []
+        : [],
     )
     .concat(
       userInput.length > 0
@@ -297,7 +310,7 @@ export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean
               preview: true,
             },
           ]
-        : []
+        : [],
     );
 
   // auto scroll
@@ -380,32 +393,33 @@ export function Chat(props: { showSideBar?: () => void, sideBarShowing?: boolean
                   </div>
                 )}
                 <div className={styles["chat-message-item"]}>
-                  {(!isUser && !(message.preview || message.content.length === 0)) && (
-                    <div className={styles["chat-message-top-actions"]}>
-                      {message.streaming ? (
-                        <div
-                          className={styles["chat-message-top-action"]}
-                          onClick={() => onUserStop(i)}
-                        >
-                          {Locale.Chat.Actions.Stop}
-                        </div>
-                      ) : (
-                        <div
-                          className={styles["chat-message-top-action"]}
-                          onClick={() => onResend(i)}
-                        >
-                          {Locale.Chat.Actions.Retry}
-                        </div>
-                      )}
+                  {!isUser &&
+                    !(message.preview || message.content.length === 0) && (
+                      <div className={styles["chat-message-top-actions"]}>
+                        {message.streaming ? (
+                          <div
+                            className={styles["chat-message-top-action"]}
+                            onClick={() => onUserStop(i)}
+                          >
+                            {Locale.Chat.Actions.Stop}
+                          </div>
+                        ) : (
+                          <div
+                            className={styles["chat-message-top-action"]}
+                            onClick={() => onResend(i)}
+                          >
+                            {Locale.Chat.Actions.Retry}
+                          </div>
+                        )}
 
-                      <div
-                        className={styles["chat-message-top-action"]}
-                        onClick={() => copyToClipboard(message.content)}
-                      >
-                        {Locale.Chat.Actions.Copy}
+                        <div
+                          className={styles["chat-message-top-action"]}
+                          onClick={() => copyToClipboard(message.content)}
+                        >
+                          {Locale.Chat.Actions.Copy}
+                        </div>
                       </div>
-                    </div>
-                  )}
+                    )}
                   {(message.preview || message.content.length === 0) &&
                   !isUser ? (
                     <LoadingIcon />
@@ -560,7 +574,7 @@ export function Home() {
       state.newSession,
       state.currentSessionIndex,
       state.removeSession,
-    ]
+    ],
   );
   const loading = !useHasHydrated();
   const [showSideBar, setShowSideBar] = useState(true);
@@ -653,7 +667,11 @@ export function Home() {
             }}
           />
         ) : (
-          <Chat key="chat" showSideBar={() => setShowSideBar(true)} sideBarShowing={showSideBar} />
+          <Chat
+            key="chat"
+            showSideBar={() => setShowSideBar(true)}
+            sideBarShowing={showSideBar}
+          />
         )}
       </div>
     </div>
diff --git a/app/locales/cn.ts b/app/locales/cn.ts
index b93ec859..76f6a770 100644
--- a/app/locales/cn.ts
+++ b/app/locales/cn.ts
@@ -77,7 +77,7 @@ const cn = {
     Prompt: {
       Disable: {
         Title: "禁用提示词自动补全",
-        SubTitle: "禁用后将无法自动根据输入补全",
+        SubTitle: "在输入框开头输入 / 即可触发自动补全",
       },
       List: "自定义提示词列表",
       ListCount: (builtin: number, custom: number) =>
diff --git a/app/locales/en.ts b/app/locales/en.ts
index d1689372..d21679ab 100644
--- a/app/locales/en.ts
+++ b/app/locales/en.ts
@@ -79,7 +79,7 @@ const en: LocaleType = {
     Prompt: {
       Disable: {
         Title: "Disable auto-completion",
-        SubTitle: "After disabling, auto-completion will not be available",
+        SubTitle: "Input / to trigger auto-completion",
       },
       List: "Prompt List",
       ListCount: (builtin: number, custom: number) =>
diff --git a/app/locales/tw.ts b/app/locales/tw.ts
index 29f5ec22..63312eb4 100644
--- a/app/locales/tw.ts
+++ b/app/locales/tw.ts
@@ -20,7 +20,7 @@ const tw: LocaleType = {
       Retry: "重試",
     },
     Typing: "正在輸入…",
-    Input: (submitKey: string) =>  {
+    Input: (submitKey: string) => {
       var inputHints = `輸入訊息後，按下 ${submitKey} 鍵即可發送`;
       if (submitKey === String(SubmitKey.Enter)) {
         inputHints += "，Shift + Enter 鍵換行";
@@ -78,7 +78,7 @@ const tw: LocaleType = {
     Prompt: {
       Disable: {
         Title: "停用提示詞自動補全",
-        SubTitle: "若停用後，將無法自動根據輸入進行補全",
+        SubTitle: "在輸入框開頭輸入 / 即可觸發自動補全",
       },
       List: "自定義提示詞列表",
       ListCount: (builtin: number, custom: number) =>
@@ -124,8 +124,7 @@ const tw: LocaleType = {
     Prompt: {
       History: (content: string) =>
         "這是 AI 與用戶的歷史聊天總結，作為前情提要：" + content,
-      Topic:
-        "直接返回這句話的簡要主題，無須解釋，若無主題，請直接返回「閒聊」",
+      Topic: "直接返回這句話的簡要主題，無須解釋，若無主題，請直接返回「閒聊」",
       Summarize:
         "簡要總結一下你和用戶的對話，作為後續的上下文提示 prompt，且字數控制在 50 字以內",
     },