diff --git a/agent-flow/src/components/common/prompt/Prompt.jsx b/agent-flow/src/components/common/prompt/Prompt.jsx
index 81640c2cfe..170fcecf77 100644
--- a/agent-flow/src/components/common/prompt/Prompt.jsx
+++ b/agent-flow/src/components/common/prompt/Prompt.jsx
@@ -105,7 +105,7 @@ export const Prompt = (
           >
             <TextArea
               disabled={disabled}
-              maxLength={2000}
+              maxLength={5000}
               className='jade-textarea-input jade-font-size'
               onBlur={(e) => changeOnBlur(e)}
               placeholder={placeHolder}
diff --git a/agent-flow/src/components/common/prompt/PromptDrawer.jsx b/agent-flow/src/components/common/prompt/PromptDrawer.jsx
index aa451d50ba..5994bc42b8 100644
--- a/agent-flow/src/components/common/prompt/PromptDrawer.jsx
+++ b/agent-flow/src/components/common/prompt/PromptDrawer.jsx
@@ -46,7 +46,7 @@ const _PromptDrawer = (
     onConfirm,
     allowAIGenerate,
     onAIGenerate,
-    maxLength = 2000,
+    maxLength = 5000,
     labelName
   }) => {
   const {t} = useTranslation();
diff --git a/frontend/src/pages/configForm/configUi/components/llm.tsx b/frontend/src/pages/configForm/configUi/components/llm.tsx
index b467dca988..5423eb460a 100644
--- a/frontend/src/pages/configForm/configUi/components/llm.tsx
+++ b/frontend/src/pages/configForm/configUi/components/llm.tsx
@@ -192,7 +192,7 @@ const LLM = (props) => {
                   placeholder={t('promptHolder')}
                   rows={16}
                   showCount
-                  maxLength={2000}
+                  maxLength={5000}
                   onChange={() => isPromptChange.current = true}
                   onBlur={(e) => updatePrompt(e.target.value)}
                 />
diff --git a/frontend/src/pages/configForm/configUi/components/prompt-template.tsx b/frontend/src/pages/configForm/configUi/components/prompt-template.tsx
index a7d59e9498..4be6a2ee7b 100644
--- a/frontend/src/pages/configForm/configUi/components/prompt-template.tsx
+++ b/frontend/src/pages/configForm/configUi/components/prompt-template.tsx
@@ -84,7 +84,7 @@ const PromptTemplate = ({ promptTemplateRef, promptValue, openGeneratePrompt, up
           </div>
           <Input.TextArea
             value={currentPrompt}
-            showCount maxLength={2000}
+            showCount maxLength={5000}
             style={{ height: '100%' }}
             onChange={(e) => setCurrentPrompt(e.target.value)}
           />
diff --git a/frontend/src/pages/configForm/configUi/components/prompt-word.tsx b/frontend/src/pages/configForm/configUi/components/prompt-word.tsx
index 48cf7992b1..bc425715ab 100644
--- a/frontend/src/pages/configForm/configUi/components/prompt-word.tsx
+++ b/frontend/src/pages/configForm/configUi/components/prompt-word.tsx
@@ -61,7 +61,7 @@ const PromptWord = ({ promptWordRef, updatePromptValue, currentModelInfo }) => {
       );
       if (res?.code === 0 && res?.data) {
         if (isGenerating.current) {
-          setPrompt(res.data.substring(0, 2000));
+          setPrompt(res.data.substring(0, 5000));
           setGenerateStatus(generateStatusMap.GENEATED);
         }
       } else {
@@ -102,7 +102,7 @@ const PromptWord = ({ promptWordRef, updatePromptValue, currentModelInfo }) => {
       case generateStatusMap.GENEATED:
         return <Input.TextArea
           value={prompt}
-          maxLength={2000}
+          maxLength={5000}
           showCount
           style={{ height: '100%', width: '100%' }}
           onChange={promptChange}