fix: logprobs in vision model not permit

src/app.tsx

@@ -217,7 +217,6 @@ export function App() {
         message.token = calculate_token_length(message.content);
     }
     if (ret.cost === undefined) ret.cost = 0;
-    if (ret.logprobs === undefined) ret.logprobs = true;
     return ret;
   };
 

src/chatgpt.ts

@@ -219,7 +219,6 @@ class Chat {
       model: this.model,
       messages,
       stream,
-      logprobs,
       presence_penalty: this.presence_penalty,
       frequency_penalty: this.frequency_penalty,
     };
@@ -237,6 +236,9 @@ class Chat {
         type: "json_object",
       };
     }
+    if (logprobs) {
+      body["logprobs"] = true;
+    }
 
     // parse toolsString to function call format
     const ts = this.toolsString.trim();

src/logprob.tsx

@@ -1,5 +1,3 @@
-import React from "react";
-
 const logprobToColor = (logprob: number) => {
   // 将logprob转换为百分比
   const percent = Math.exp(logprob) * 100;