fix: use gpt-3.5's encoder if not found (close #110)

controller/relay-utils.go

@@ -15,7 +15,11 @@ func getTokenEncoder(model string) *tiktoken.Tiktoken {
 	}
 	tokenEncoder, err := tiktoken.EncodingForModel(model)
 	if err != nil {
-		common.FatalLog(fmt.Sprintf("failed to get token encoder for model %s: %s", model, err.Error()))
+		common.SysError(fmt.Sprintf("failed to get token encoder for model %s: %s, using encoder for gpt-3.5-turbo", model, err.Error()))
+		tokenEncoder, err = tiktoken.EncodingForModel("gpt-3.5-turbo")
+		if err != nil {
+			common.FatalLog(fmt.Sprintf("failed to get token encoder for model gpt-3.5-turbo: %s", err.Error()))
+		}
 	}
 	tokenEncoderMap[model] = tokenEncoder
 	return tokenEncoder

web/src/pages/TopUp/index.js

@@ -1,6 +1,6 @@
 import React, { useEffect, useState } from 'react';
 import { Button, Form, Grid, Header, Segment, Statistic } from 'semantic-ui-react';
-import { API, showError, showSuccess } from '../../helpers';
+import { API, showError, showInfo, showSuccess } from '../../helpers';
 
 const TopUp = () => {
   const [redemptionCode, setRedemptionCode] = useState('');
@@ -9,6 +9,7 @@ const TopUp = () => {
 
   const topUp = async () => {
     if (redemptionCode === '') {
+      showInfo('请输入充值码！')
       return;
     }
     const res = await API.post('/api/user/topup', {