diff --git a/packages/global/core/workflow/utils.ts b/packages/global/core/workflow/utils.ts
index dfbcab8de..460b73d1f 100644
--- a/packages/global/core/workflow/utils.ts
+++ b/packages/global/core/workflow/utils.ts
@@ -240,7 +240,7 @@ export function replaceVariableLabel({
   variables: Record<string, string | number>;
   runningNode: RuntimeNodeItemType;
 }) {
-  if (!(typeof text === 'string')) return text;
+  if (typeof text !== 'string') return text;
 
   const globalVariables = Object.keys(variables).map((key) => {
     return {
diff --git a/packages/service/core/workflow/dispatch/tools/http468.ts b/packages/service/core/workflow/dispatch/tools/http468.ts
index 036f51eda..4cbc6b373 100644
--- a/packages/service/core/workflow/dispatch/tools/http468.ts
+++ b/packages/service/core/workflow/dispatch/tools/http468.ts
@@ -292,14 +292,14 @@ async function fetchData({
 function replaceVariable(text: string, obj: Record<string, any>) {
   for (const [key, value] of Object.entries(obj)) {
     if (value === undefined) {
-      text = text.replace(new RegExp(`{{${key}}}`, 'g'), UNDEFINED_SIGN);
+      text = text.replace(new RegExp(`{{(${key})}}`, 'g'), UNDEFINED_SIGN);
     } else {
       const replacement = JSON.stringify(value);
       const unquotedReplacement =
         replacement.startsWith('"') && replacement.endsWith('"')
           ? replacement.slice(1, -1)
           : replacement;
-      text = text.replace(new RegExp(`{{${key}}}`, 'g'), unquotedReplacement);
+      text = text.replace(new RegExp(`{{(${key})}}`, 'g'), unquotedReplacement);
     }
   }
   return text || '';
diff --git a/packages/web/components/common/Textarea/PromptEditor/Editor.tsx b/packages/web/components/common/Textarea/PromptEditor/Editor.tsx
index e90d14ae5..758a85558 100644
--- a/packages/web/components/common/Textarea/PromptEditor/Editor.tsx
+++ b/packages/web/components/common/Textarea/PromptEditor/Editor.tsx
@@ -129,7 +129,7 @@ export default function Editor({
             });
           }}
         />
-        <VariableLabelPickerPlugin variables={variables} />
+        <VariableLabelPickerPlugin variables={variables} isFocus={focus} />
         <VariablePlugin variables={variables} />
         <VariableLabelPlugin variables={variables} />
         <OnBlurPlugin onBlur={onBlur} />
diff --git a/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPickerPlugin/index.tsx b/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPickerPlugin/index.tsx
index 0e704e4fa..5d241e2dc 100644
--- a/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPickerPlugin/index.tsx
+++ b/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPickerPlugin/index.tsx
@@ -27,13 +27,18 @@ interface TransformedParent {
 }
 
 export default function VariableLabelPickerPlugin({
-  variables
+  variables,
+  isFocus
 }: {
   variables: EditorVariablePickerType[];
+  isFocus: boolean;
 }) {
   const { t } = useTranslation();
   const [editor] = useLexicalComposerContext();
   const [queryString, setQueryString] = useState<string | null>(null);
+  const [currentIndex, setCurrentIndex] = useState<number>(0);
+  const [highlightIndex, setHighlightIndex] = useState<number | null>(null);
+  const highlightedItemRef = React.useRef<any>(null);
 
   const checkForTriggerMatch = useBasicTypeaheadTriggerMatch('/', {
     minLength: 0
@@ -58,6 +63,15 @@ export default function VariableLabelPickerPlugin({
     [editor]
   );
 
+  React.useEffect(() => {
+    if (highlightedItemRef.current) {
+      highlightedItemRef.current.scrollIntoView({
+        behavior: 'auto',
+        block: 'end'
+      });
+    }
+  }, [currentIndex]);
+
   return (
     <LexicalTypeaheadMenuPlugin
       onQueryChange={setQueryString}
@@ -71,7 +85,11 @@ export default function VariableLabelPickerPlugin({
         if (anchorElementRef.current == null) {
           return null;
         }
-        return anchorElementRef.current && variables.length
+        if (currentIndex !== selectedIndex) {
+          setCurrentIndex(selectedIndex || 0);
+          setHighlightIndex(selectedIndex || 0);
+        }
+        return anchorElementRef.current && variables.length && isFocus
           ? ReactDOM.createPortal(
               <Box
                 bg={'white'}
@@ -123,7 +141,7 @@ export default function VariableLabelPickerPlugin({
                             {item.label}
                           </Box>
                         </Flex>
-                        {item.children?.map((child, index) => (
+                        {item.children?.map((child) => (
                           <Flex
                             alignItems={'center'}
                             as={'li'}
@@ -136,7 +154,8 @@ export default function VariableLabelPickerPlugin({
                             _notLast={{
                               mb: 1
                             }}
-                            {...(selectedIndex === child.index
+                            ref={selectedIndex === child.index ? highlightedItemRef : null}
+                            {...(highlightIndex === child.index
                               ? {
                                   bg: '#1118240D',
                                   color: 'primary.700'
@@ -145,12 +164,11 @@ export default function VariableLabelPickerPlugin({
                                   bg: 'white',
                                   color: 'myGray.600'
                                 })}
-                            onClick={() => {
-                              setHighlightedIndex(child.index);
+                            onMouseDown={() => {
                               selectOptionAndCleanUp({ ...child, parent: item });
                             }}
                             onMouseEnter={() => {
-                              setHighlightedIndex(child.index);
+                              setHighlightIndex(child.index);
                             }}
                           >
                             <Box ml={2} fontSize={'sm'} whiteSpace={'nowrap'}>
diff --git a/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPlugin/utils.ts b/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPlugin/utils.ts
index cc74e6298..c942d31f5 100644
--- a/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPlugin/utils.ts
+++ b/packages/web/components/common/Textarea/PromptEditor/plugins/VariableLabelPlugin/utils.ts
@@ -221,7 +221,7 @@ export function getHashtagRegexString(): string {
   const hashtag =
     `(${hashLeftCharList})` +
     `(${hashLeftCharList})` +
-    `(${hashMiddleCharList})([a-zA-Z0-9_\\.]{0,29})(${hashMiddleCharList})` +
+    `(${hashMiddleCharList})([a-zA-Z0-9_\\.]{0,100})(${hashMiddleCharList})` +
     `(${hashRightCharList})(${hashRightCharList})`;
 
   return hashtag;
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
index a15f526a7..2c5ee40d0 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
@@ -35,6 +35,7 @@ type useChatStoreType = OutLinkChatAuthProps &
   ChatProviderProps & {
     welcomeText: string;
     variableList: VariableItemType[];
+    allVariableList: VariableItemType[];
     questionGuide: boolean;
     ttsConfig: AppTTSConfigType;
     whisperConfig: AppWhisperConfigType;
@@ -189,6 +190,7 @@ const Provider = ({
     teamToken,
     welcomeText,
     variableList: variables.filter((item) => item.type !== VariableInputEnum.custom),
+    allVariableList: variables,
     questionGuide,
     ttsConfig,
     whisperConfig,
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
index df9c6d4f1..641603a54 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
@@ -21,7 +21,7 @@ const VariableInput = ({
   const { t } = useTranslation();
 
   const { appAvatar, variableList, variablesForm } = useContextSelector(ChatBoxContext, (v) => v);
-  const { register, getValues, setValue, handleSubmit: handleSubmitChat, control } = variablesForm;
+  const { register, setValue, handleSubmit: handleSubmitChat, control } = variablesForm;
 
   return (
     <Box py={3}>
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/index.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/index.tsx
index 1edaa850f..bb8866ce4 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/index.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/index.tsx
@@ -140,6 +140,7 @@ const ChatBox = (
   const {
     welcomeText,
     variableList,
+    allVariableList,
     questionGuide,
     startSegmentedAudio,
     finishSegmentedAudio,
@@ -390,7 +391,7 @@ const ChatBox = (
 
           // delete invalid variables， 只保留在 variableList 中的变量
           const requestVariables: Record<string, any> = {};
-          variableList?.forEach((item) => {
+          allVariableList?.forEach((item) => {
             requestVariables[item.key] = variables[item.key] || '';
           });
 
diff --git a/projects/app/src/pages/app/detail/components/useChatTest.tsx b/projects/app/src/pages/app/detail/components/useChatTest.tsx
index 67a4b9ce1..0845fff78 100644
--- a/projects/app/src/pages/app/detail/components/useChatTest.tsx
+++ b/projects/app/src/pages/app/detail/components/useChatTest.tsx
@@ -10,7 +10,6 @@ import {
   storeNodes2RuntimeNodes
 } from '@fastgpt/global/core/workflow/runtime/utils';
 import { useMemoizedFn } from 'ahooks';
-import { AppChatConfigType } from '@fastgpt/global/core/app/type';
 import { useContextSelector } from 'use-context-selector';
 import { AppContext } from './context';
 import { StoreNodeItemType } from '@fastgpt/global/core/workflow/type/node';
@@ -21,6 +20,7 @@ import dynamic from 'next/dynamic';
 import { useChat } from '@/components/core/chat/ChatContainer/useChat';
 import { Box } from '@chakra-ui/react';
 import ChatBox from '@/components/core/chat/ChatContainer/ChatBox';
+import { AppChatConfigType } from '@fastgpt/global/core/app/type';
 
 const PluginRunBox = dynamic(() => import('@/components/core/chat/ChatContainer/PluginRunBox'));
 
diff --git a/projects/app/src/pages/app/list/index.tsx b/projects/app/src/pages/app/list/index.tsx
index 2ac1b2f0a..20b9073fa 100644
--- a/projects/app/src/pages/app/list/index.tsx
+++ b/projects/app/src/pages/app/list/index.tsx
@@ -132,8 +132,9 @@ const MyApps = () => {
         </Box>
       )}
       <Flex gap={5} flex={'1 0 0'} h={0}>
-        <Box
+        <Flex
           flex={'1 0 0'}
+          flexDirection={'column'}
           h={'100%'}
           pr={folderDetail ? [4, 2] : [4, 10]}
           pl={3}
@@ -237,7 +238,7 @@ const MyApps = () => {
           <MyBox flex={'1 0 0'} isLoading={myApps.length === 0 && isFetchingApps}>
             <List />
           </MyBox>
-        </Box>
+        </Flex>
 
         {/* Folder slider */}
         {!!folderDetail && isPc && (