chore: replace all cn comments to en version by volc api (#313)

backend/api/handler/coze/developer_api_service.go

@@ -267,7 +267,7 @@ func GetUploadAuthToken(ctx context.Context, c *app.RequestContext) {
 func createSecret(uid int64, fileType string) string {
 	num := 10
 	input := fmt.Sprintf("upload_%d_Ma*9)fhi_%d_gou_%s_rand_%d", uid, time.Now().Unix(), fileType, rand.Intn(100000))
-	// 做md5，取前20个,// mapIntToBase62 把数字映射到 Base62
+	// Do md5, take the first 20,//mapIntToBase62 map the number to Base62
 	hash := sha256.Sum256([]byte(fmt.Sprintf("%s", input)))
 	hashString := base64.StdEncoding.EncodeToString(hash[:])
 	if len(hashString) > num {