diff --git a/src/app.tsx b/src/app.tsx
index e961332..0e32477 100644
--- a/src/app.tsx
+++ b/src/app.tsx
@@ -35,7 +35,9 @@ export interface ChatStore {
   responseModelName: string;
   cost: number;
   temperature: number;
+  temperature_enabled: boolean;
   top_p: number;
+  top_p_enabled: boolean;
   presence_penalty: number;
   frequency_penalty: number;
   develop_mode: boolean;
@@ -70,7 +72,9 @@ const newChatStore = (
     responseModelName: "",
     cost: 0,
     temperature: getDefaultParams("temp", temperature),
+    temperature_enabled: true,
     top_p: 1,
+    top_p_enabled: false,
     presence_penalty: 0,
     frequency_penalty: 0,
     develop_mode: getDefaultParams("dev", dev),
diff --git a/src/chatbox.tsx b/src/chatbox.tsx
index 53e2986..5666431 100644
--- a/src/chatbox.tsx
+++ b/src/chatbox.tsx
@@ -158,7 +158,9 @@ export default function ChatBOX(props: {
     client.sysMessageContent = chatStore.systemMessageContent;
     client.tokens_margin = chatStore.tokenMargin;
     client.temperature = chatStore.temperature;
+    client.enable_temperature = chatStore.temperature_enabled;
     client.top_p = chatStore.top_p;
+    client.enable_top_p = chatStore.top_p_enabled
     client.frequency_penalty = chatStore.frequency_penalty;
     client.presence_penalty = chatStore.presence_penalty;
     client.messages = chatStore.history
diff --git a/src/chatgpt.ts b/src/chatgpt.ts
index 81a06eb..1a1fc33 100644
--- a/src/chatgpt.ts
+++ b/src/chatgpt.ts
@@ -47,7 +47,9 @@ class Chat {
   apiEndpoint: string;
   model: string;
   temperature: number;
+  enable_temperature: boolean;
   top_p: number;
+  enable_top_p: boolean;
   presence_penalty: number;
   frequency_penalty: number;
 
@@ -60,7 +62,9 @@ class Chat {
       apiEndPoint = "https://api.openai.com/v1/chat/completions",
       model = "gpt-3.5-turbo",
       temperature = 0.7,
+      enable_temperature = true,
       top_p = 1,
+      enable_top_p = false,
       presence_penalty = 0,
       frequency_penalty = 0,
     } = {}
@@ -77,7 +81,9 @@ class Chat {
     this.apiEndpoint = apiEndPoint;
     this.model = model;
     this.temperature = temperature;
+    this.enable_temperature = enable_temperature;
     this.top_p = top_p;
+    this.enable_top_p = enable_top_p;
     this.presence_penalty = presence_penalty;
     this.frequency_penalty = frequency_penalty;
   }
@@ -111,21 +117,28 @@ class Chat {
       messages.push({ role: "system", content: this.sysMessageContent });
     }
     messages.push(...this.messages);
+
+    const body: any = {
+      model: this.model,
+      messages,
+      stream,
+      presence_penalty: this.presence_penalty,
+      frequency_penalty: this.frequency_penalty,
+    };
+    if (this.enable_temperature) {
+      body["temperature"] = this.temperature;
+    }
+    if (this.enable_top_p) {
+      body["top_p"] = this.top_p;
+    }
+
     return fetch(this.apiEndpoint, {
       method: "POST",
       headers: {
         Authorization: `Bearer ${this.OPENAI_API_KEY}`,
         "Content-Type": "application/json",
       },
-      body: JSON.stringify({
-        model: this.model,
-        messages,
-        stream,
-        temperature: this.temperature,
-        top_p: this.top_p,
-        presence_penalty: this.presence_penalty,
-        frequency_penalty: this.frequency_penalty,
-      }),
+      body: JSON.stringify(body),
     });
   }
 
diff --git a/src/settings.tsx b/src/settings.tsx
index 42c29f4..2c7b07b 100644
--- a/src/settings.tsx
+++ b/src/settings.tsx
@@ -4,6 +4,7 @@ import { ChatStore, TemplateAPI, clearTotalCost, getTotalCost } from "./app";
 import models from "./models";
 import { TemplateChatStore } from "./chatbox";
 import { tr, Tr, langCodeContext, LANG_OPTIONS } from "./translate";
+import p from "preact-markdown";
 
 const Help = (props: { children: any; help: string }) => {
   return (
@@ -100,14 +101,42 @@ const Input = (props: {
 const Slicer = (props: {
   chatStore: ChatStore;
   setChatStore: (cs: ChatStore) => void;
-  field: "temperature";
+  field: "temperature" | "top_p";
   help: string;
 }) => {
+  const enable_filed_name: "temperature_enabled" | "top_p_enabled" =
+    `${props.field}_enabled` as any;
+
+  const enabled = props.chatStore[enable_filed_name];
+
+  if (enabled === null || enabled === undefined) {
+    if (props.field === "temperature") {
+      props.chatStore[enable_filed_name] = true;
+    }
+    if (props.field === "top_p") {
+      props.chatStore[enable_filed_name] = false;
+    }
+  }
+
+  const setEnabled = (state: boolean) => {
+    props.chatStore[enable_filed_name] = state;
+    props.setChatStore({ ...props.chatStore });
+  };
   return (
     <Help help={props.help}>
-      <label className="m-2 p-2">{props.field}</label>
+      <span>
+        <label className="m-2 p-2">{props.field}</label>
+        <input
+          type="checkbox"
+          checked={props.chatStore[enable_filed_name]}
+          onClick={() => {
+            setEnabled(!enabled);
+          }}
+        />
+      </span>
       <span>
         <input
+          disabled={!enabled}
           className="m-2 p-2 border rounded focus w-28"
           type="range"
           min="0"
@@ -121,6 +150,7 @@ const Slicer = (props: {
           }}
         />
         <input
+          disabled={!enabled}
           className="m-2 p-2 border rounded focus w-28"
           type="number"
           value={props.chatStore[props.field]}
@@ -143,7 +173,6 @@ const Number = (props: {
     | "maxTokens"
     | "tokenMargin"
     | "postBeginIndex"
-    | "top_p"
     | "presence_penalty"
     | "frequency_penalty";
   readOnly: boolean;
@@ -357,7 +386,7 @@ export default (props: {
             {...props}
           />
           <Slicer field="temperature" help="温度" {...props} />
-          <Number field="top_p" help="top_p" readOnly={false} {...props} />
+          <Slicer field="top_p" help="top_p" {...props} />
           <Number
             field="presence_penalty"
             help="presence_penalty"