diff --git a/src/locales/en-US/playground.ts b/src/locales/en-US/playground.ts
index 7063288c..3ad09d10 100644
--- a/src/locales/en-US/playground.ts
+++ b/src/locales/en-US/playground.ts
@@ -165,7 +165,7 @@ export default {
   'playground.params.duration': 'Duration (seconds)',
   'playground.params.resolution': 'Resolution',
   'playground.params.taskType': 'Task Type',
-  'playground.params.voiceStyle': 'Instructions',
+  'playground.params.instructions': 'Instructions',
   'playground.params.maxTokens': 'Max New Tokens',
   'playground.params.refAudio': 'Reference Audio',
   'playground.params.refAudio.tips':
diff --git a/src/locales/ja-JP/playground.ts b/src/locales/ja-JP/playground.ts
index 0b5a6996..b035c4ab 100644
--- a/src/locales/ja-JP/playground.ts
+++ b/src/locales/ja-JP/playground.ts
@@ -168,7 +168,7 @@ export default {
   'playground.params.duration': 'Duration (seconds)',
   'playground.params.resolution': 'Resolution',
   'playground.params.taskType': 'Task Type',
-  'playground.params.voiceStyle': 'Instructions',
+  'playground.params.instructions': 'Instructions',
   'playground.params.maxTokens': 'Max New Tokens',
   'playground.params.refAudio': 'Reference Audio',
   'playground.params.refAudio.tips':
diff --git a/src/locales/ru-RU/playground.ts b/src/locales/ru-RU/playground.ts
index 814981dc..5f8f68ea 100644
--- a/src/locales/ru-RU/playground.ts
+++ b/src/locales/ru-RU/playground.ts
@@ -162,7 +162,7 @@ export default {
   'playground.params.duration': 'Duration (seconds)',
   'playground.params.resolution': 'Resolution',
   'playground.params.taskType': 'Task Type',
-  'playground.params.voiceStyle': 'Instructions',
+  'playground.params.instructions': 'Instructions',
   'playground.params.maxTokens': 'Max New Tokens',
   'playground.params.refAudio': 'Reference Audio',
   'playground.params.refAudio.tips':
diff --git a/src/locales/zh-CN/playground.ts b/src/locales/zh-CN/playground.ts
index f1fa9268..cdfa9a77 100644
--- a/src/locales/zh-CN/playground.ts
+++ b/src/locales/zh-CN/playground.ts
@@ -158,7 +158,7 @@ export default {
   'playground.params.duration': '时长 (秒)',
   'playground.params.resolution': '分辨率',
   'playground.params.taskType': '任务类型',
-  'playground.params.voiceStyle': '情感',
+  'playground.params.instructions': '说明',
   'playground.params.maxTokens': '最大生成 Token 数',
   'playground.params.refAudio': '参考音频',
   'playground.params.refAudio.tips':
diff --git a/src/pages/playground/audio/params-config.ts b/src/pages/playground/audio/params-config.ts
index b242e336..1ee09323 100644
--- a/src/pages/playground/audio/params-config.ts
+++ b/src/pages/playground/audio/params-config.ts
@@ -45,10 +45,10 @@ export const TTSAdvancedParamsConfig: ParamsSchema[] = [
     ]
   },
   {
-    type: 'AutoComplete',
+    type: 'Input',
     name: 'instructions',
     label: {
-      text: 'playground.params.voiceStyle',
+      text: 'playground.params.instructions',
       isLocalized: true
     },
     attrs: {
@@ -78,7 +78,8 @@ export const TTSAdvancedParamsConfig: ParamsSchema[] = [
     attrs: {
       allowClear: true,
       step: 1,
-      min: 0
+      min: 0,
+      max: 4096
     },
     formItemAttrs: {
       getValueProps: (value: number) => {
diff --git a/src/pages/playground/components/ground-tts.tsx b/src/pages/playground/components/ground-tts.tsx
index b98e13a0..526f1378 100644
--- a/src/pages/playground/components/ground-tts.tsx
+++ b/src/pages/playground/components/ground-tts.tsx
@@ -264,7 +264,6 @@ const GroundTTS: React.FC<MessageProps> = forwardRef((props, ref) => {
         ...pre,
         ..._.pick(model?.meta || {}, MetaFields),
         task_type: model?.meta?.task_type,
-        max_new_tokens: model?.meta?.max_model_len || null,
         model: value,
         voice: newList[0]?.value
       };