diff --git a/config/config.go b/config/config.go
index af01f86..f989a22 100644
--- a/config/config.go
+++ b/config/config.go
@@ -2,6 +2,7 @@ package config
 
 import (
 	"fmt"
+	"os"
 	"reflect"
 	"sync"
 
@@ -10,10 +11,12 @@ import (
 
 var (
 	config map[string]interface{}
-	once   sync.Once
+	mu     sync.Mutex
 )
 
 func loadConfig() {
+	mu.Lock()
+	defer mu.Unlock()
 
 	if _, err := toml.DecodeFile("config.toml", &config); err != nil {
 		panic(err)
@@ -21,10 +24,36 @@ func loadConfig() {
 
 }
 func GetConfig() map[string]interface{} {
-	once.Do(loadConfig)
+	// mu.Lock()
+	// defer mu.Unlock()
 	// print(config)
+	if config == nil {
+		loadConfig()
+	}
 	return config
 }
+func ReloadConfig() {
+	loadConfig()
+}
+func ModifyConfig(key string, value interface{}) {
+	mu.Lock()
+	defer mu.Unlock()
+
+	// 修改配置
+	config[key] = value
+	// fmt.Println("修改后的配置:")
+	// 将修改后的配置写回文件
+	file, err := os.Create("config.toml")
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+
+	encoder := toml.NewEncoder(file)
+	if err := encoder.Encode(config); err != nil {
+		panic(err)
+	}
+}
 
 func PrintConfig(m map[string]interface{}, indent string) {
 	for key, value := range m {
diff --git a/test/test.go b/test/test.go
index e8d1c0b..0d1618e 100644
--- a/test/test.go
+++ b/test/test.go
@@ -22,8 +22,8 @@ func main() {
 		}
 		parms := strings.Fields(raw_msg)
 
-		worker := workers.NewWorker(parms, "11", "111", "111", "222", raw_msg)
-		fmt.Println("Test:", worker.CheckPermission())
+		worker := workers.NewWorker(parms, "794508986", "111", "111", "222", raw_msg)
+		fmt.Println("TestPermission:", worker.CheckPermission())
 		message := worker.GetMsg()
 		fmt.Println("message:", message)
 
diff --git a/workers/ai.go b/workers/ai.go
index 45dbf9c..a6426c8 100644
--- a/workers/ai.go
+++ b/workers/ai.go
@@ -1,6 +1,7 @@
 package workers
 
 import (
+	"go-bot/config"
 	"log"
 	"strings"
 
@@ -45,6 +46,7 @@ func (a *AI) GetMsg() string {
 	}
 
 	if strings.ToLower(a.Parms[1]) == "models" {
+
 		OPENAI_BaseURL = OPENAI_BaseURL + "/models"
 		request := gorequest.New()
 		resp, body, errs := request.Get(OPENAI_BaseURL).
@@ -62,20 +64,41 @@ func (a *AI) GetMsg() string {
 					return "解析模型列表失败"
 				}
 				choices := responseBody["data"].([]interface{})
+				var models []interface{}
 				if len(choices) > 0 {
 					msg = "支持的模型列表:\n"
 					for _, choice := range choices {
-						models := choice.(map[string]interface{})["id"].(string)
-						if models == MODEL {
-							msg = msg + models + "\t ✔\n"
+						model := choice.(map[string]interface{})["id"].(string)
+						if model == MODEL {
+							msg = msg + model + "\t ✔\n"
 						} else {
-							msg = msg + models + "\n"
+							msg = msg + model + "\n"
 						}
+						models = append(models, model)
 
 					}
+
 				} else {
 					msg = "没查到支持模型列表"
 				}
+				if len(a.Parms) > 3 && strings.ToLower(a.Parms[2]) == "set" {
+					// 判断允许设置权限,需要AllowUser和发消息用户账号相同
+					if a.AllowUser != nil && contains(a.AllowUser, a.UID) {
+						if contains(models, a.Parms[3]) {
+							cfg["MODEL"] = a.Parms[3]
+							msg = "已设置模型为 " + a.Parms[3]
+							config.ModifyConfig("MODEL", a.Parms[3])
+							config.ReloadConfig()
+							config.PrintConfig(cfg, "")
+						} else {
+							msg = "不支持的模型"
+						}
+
+					} else {
+						msg = "无权限设置模型"
+					}
+
+				}
 				return msg
 			} else {
 				log.Println("请求失败")
@@ -89,16 +112,18 @@ func (a *AI) GetMsg() string {
 			log.Println("PROMRT 未配置")
 			PROMPT = ""
 		}
+		// PROMPT = ""
 		// println("PROMPT:", PROMPT)
 		requestBody := map[string]interface{}{
 			"model":  MODEL,
 			"stream": false,
-			"messages": []map[string]string{{
-				"role":    "system",
-				"content": PROMPT,
-			},
+			"messages": []map[string]string{
+				{
+					"role":    "system",
+					"content": PROMPT,
+				},
 				{"role": "user", "content": ask}},
-			"max_tokens":  75,
+			"max_tokens":  200,
 			"temperature": 0.7,
 		}
 		request := gorequest.New()
diff --git a/workers/core.go b/workers/core.go
index 23842fd..6d341ce 100644
--- a/workers/core.go
+++ b/workers/core.go
@@ -63,7 +63,7 @@ func (s *StdAns) CheckPermission() string {
 	if len(s.AllowRole) > 0 && !contains(s.AllowRole, s.Role) {
 		return s.RoleNotAllow
 	}
-	return "0"
+	return "ok"
 }
 func contains(slice []interface{}, value string) bool {
 	for _, item := range slice {