diff --git a/bot.go b/bot.go
index 1d128ec..a808480 100644
--- a/bot.go
+++ b/bot.go
@@ -85,7 +85,7 @@ func logMiddleware(next tele.HandlerFunc) tele.HandlerFunc {
 	return func(c tele.Context) error {
 		upd := c.Update()
 		defer func() {
-			logger.Debugw("Log middleware", "update", upd)
+			logger.Infow("Log middleware", "update", upd)
 		}()
 
 		return next(c)
diff --git a/botcmd_translate.go b/botcmd_translate.go
index e83e49f..82a38b2 100644
--- a/botcmd_translate.go
+++ b/botcmd_translate.go
@@ -4,7 +4,6 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/samber/lo"
 	tele "gopkg.in/telebot.v3"
 
 	"git.gensokyo.cafe/kkyy/tgbot_misaka_5882f7/openai"
@@ -49,6 +48,7 @@ func handleTranslateCmd(c tele.Context) error {
 			tele.Silent,
 		)
 	}
+	logger.Infof("trimmed message: %q", payload)
 
 	_, err := c.Bot().Reply(msg, "Sure. To what language?", tele.Silent, translateMenu)
 	return err
@@ -91,7 +91,6 @@ func handleTranslateBtn(c tele.Context) error {
 				Content: payload,
 			},
 		},
-		Temperature: lo.ToPtr(0.6),
 	}
 
 	resp, err := ai.ChatCompletion(req)
diff --git a/cfg.go b/cfg.go
index ce9efca..15a34e4 100644
--- a/cfg.go
+++ b/cfg.go
@@ -10,7 +10,6 @@ import (
 )
 
 type ConfigDef struct {
-	LogLevel           string  `env:"TG_LOG_LEVEL" env-default:"info"`
 	AdminUIDs          []int64 `env:"TG_ADMIN_UIDS"`
 	TGBotToken         string  `env:"TG_TOKEN" env-required:""`
 	TGAnnounceCommands bool    `env:"TG_ANNOUNCE_CMDS"`
diff --git a/main.go b/main.go
index 94df370..d8fab53 100644
--- a/main.go
+++ b/main.go
@@ -7,7 +7,6 @@ import (
 	"time"
 
 	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	tele "gopkg.in/telebot.v3"
 
 	"git.gensokyo.cafe/kkyy/mycurrencynet"
@@ -15,13 +14,9 @@ import (
 )
 
 var logger *zap.SugaredLogger
-var loglvl zap.AtomicLevel
 
 func initLogger() {
-	logCfg := zap.NewProductionConfig()
-	loglvl = logCfg.Level
-
-	l, err := logCfg.Build()
+	l, err := zap.NewProduction()
 	if err != nil {
 		panic(err)
 	}
@@ -94,12 +89,6 @@ func main() {
 	if err := LoadCfg(); err != nil {
 		logger.Fatalw("Failed to load config", "err", err)
 	}
-	parsedLvl, err := zapcore.ParseLevel(config.LogLevel)
-	if err != nil {
-		logger.Warnf("Invalid log level %q", config.LogLevel)
-	} else {
-		loglvl.SetLevel(parsedLvl)
-	}
 
 	runBot()
 }
diff --git a/openai/prompts/prompts.go b/openai/prompts/prompts.go
index d0e74df..43f5ef5 100644
--- a/openai/prompts/prompts.go
+++ b/openai/prompts/prompts.go
@@ -1,9 +1,6 @@
 package prompts
 
-import (
-	"fmt"
-	"strings"
-)
+import "fmt"
 
 func General() string {
 	return "You are a helpful assistant."
@@ -11,14 +8,7 @@ func General() string {
 
 func Translate(targetLang string) string {
 	return fmt.Sprintf(
-		strings.Join([]string{
-			"You are a helpful assistant.",
-			"Your task is to help translate the text sent by the user into %s.",
-			"You should never interpret the user's text, but only translate it.",
-			"You should structure the translated text to sound natural in native %s while keeping the meanings unchanged.",
-			"If the user's text contains only a single word, please also add a brief explanation in %s, of the meaning of the original word.",
-			"The first text to be translated is:",
-		}, " \n"),
-		targetLang, targetLang, targetLang,
+		"You are a helpful assistant. Your task is to help translate the following text to %s. You should not interpret the text. You should structure the translated text to look natural in native %s, while keeping the meaning unchanged.",
+		targetLang, targetLang,
 	)
 }