diff --git a/features/mml/mml.go b/features/mml/mml.go
index 99dbdc76..eeb10047 100644
--- a/features/mml/mml.go
+++ b/features/mml/mml.go
@@ -112,21 +112,8 @@ func PostMMLToNF(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if neInfo != nil {
-		hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
-		conn, err := net.Dial("tcp", hostMML)
-		if err != nil {
-			errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
-			log.Error(errMsg)
-			mmlResult = append(mmlResult, errMsg)
-			response := Response{mmlResult}
-			services.ResponseWithJson(w, http.StatusOK, response)
-			return
-		}
-		defer conn.Close()
-
-		conn.SetDeadline(time.Now().Add(10 * time.Second))
 		switch strings.ToLower(neType) {
-		case "upf":
+		case "xxx":
 			body, err := io.ReadAll(io.LimitReader(r.Body, global.RequestBodyMaxLen))
 			if err != nil {
 				log.Error("io.ReadAll is failed:", err)
@@ -148,16 +135,29 @@ func PostMMLToNF(w http.ResponseWriter, r *http.Request) {
 			// }
 			// log.Debug(string(buf[0:n]))
 
-			loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
-			_, err = conn.Write([]byte(loginStr))
-			if err != nil {
-				log.Error("Failed to write:", err)
-				mmlResult = append(mmlResult, err.Error())
-				response := Response{mmlResult}
-				services.ResponseWithJson(w, http.StatusOK, response)
-				return
-			}
-			time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
+			// hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
+			// conn, err := net.Dial("tcp", hostMML)
+			// if err != nil {
+			// 	errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
+			// 	log.Error(errMsg)
+			// 	mmlResult = append(mmlResult, errMsg)
+			// 	response := Response{mmlResult}
+			// 	services.ResponseWithJson(w, http.StatusOK, response)
+			// 	return
+			// }
+			// defer conn.Close()
+
+			// conn.SetDeadline(time.Now().Add(10 * time.Second))
+			// loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
+			// _, err = conn.Write([]byte(loginStr))
+			// if err != nil {
+			// 	log.Error("Failed to write:", err)
+			// 	mmlResult = append(mmlResult, err.Error())
+			// 	response := Response{mmlResult}
+			// 	services.ResponseWithJson(w, http.StatusOK, response)
+			// 	return
+			// }
+			// time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
 
 			// n, err = conn.Write([]byte(config.GetYamlConfig().MML.User + "\n"))
 			// if err != nil {
@@ -203,6 +203,30 @@ func PostMMLToNF(w http.ResponseWriter, r *http.Request) {
 			// log.Debug(string(buf[0:n]))
 
 			for _, mml := range mmlRequest.MML {
+				hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
+				conn, err := net.Dial("tcp", hostMML)
+				if err != nil {
+					errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
+					log.Error(errMsg)
+					mmlResult = append(mmlResult, errMsg)
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				defer conn.Close()
+
+				conn.SetDeadline(time.Now().Add(10 * time.Second))
+
+				loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
+				_, err = conn.Write([]byte(loginStr))
+				if err != nil {
+					log.Error("Failed to write:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
 				mmlCommand := fmt.Sprintf("%s\n", mml)
 				log.Debug("mml command:", mmlCommand)
 				_, err = conn.Write([]byte(mmlCommand))
@@ -233,12 +257,157 @@ func PostMMLToNF(w http.ResponseWriter, r *http.Request) {
 				result := re1.ReplaceAllString(string(buf[config.GetYamlConfig().MML.UpfHeaderLength:n-len(neType)-2]), "")
 				result = re2.ReplaceAllString(result, "")
 				mmlResult = append(mmlResult, result)
+				conn.Close()
 				//mmlResult = append(mmlResult, string(buf[0:n-len(neType)-2]))
 
 				// can't read buffer from upf telnet server, so return ok always
 				// mmlResult = append(mmlResult, "COMMAND OK\n")
 			}
+		case "ims":
+			body, err := io.ReadAll(io.LimitReader(r.Body, global.RequestBodyMaxLen))
+			if err != nil {
+				log.Error("io.ReadAll is failed:", err)
+				services.ResponseNotFound404UriNotExist(w, r)
+				return
+			}
+			log.Trace("Body:", string(body))
+
+			mmlRequest := new(MMLRequest)
+			_ = json.Unmarshal(body, mmlRequest)
+
+			for _, mml := range mmlRequest.MML {
+				hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
+				conn, err := net.Dial("tcp", hostMML)
+				if err != nil {
+					errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
+					log.Error(errMsg)
+					mmlResult = append(mmlResult, errMsg)
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				defer conn.Close()
+
+				// localAddr := conn.LocalAddr()
+				// remoteAddr := conn.RemoteAddr()
+				// if localAddr == nil || remoteAddr == nil {
+				// 	errMsg := fmt.Sprintf("connect invalid: localAddr=%v, remoteAddr=%v", localAddr, remoteAddr)
+				// 	log.Error(errMsg)
+				// 	mmlResult = append(mmlResult, errMsg)
+				// 	response := Response{mmlResult}
+				// 	services.ResponseWithJson(w, http.StatusOK, response)
+				// 	return
+				// }
+				conn.SetDeadline(time.Now().Add(10 * time.Second))
+
+				_, err = conn.Write([]byte(config.GetYamlConfig().MML.User + "\n"))
+				if err != nil {
+					log.Error("Failed to write:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
+
+				n, err = conn.Read(buf[0:])
+				if err != nil {
+					log.Error("Failed to read:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				log.Debug(string(buf[0:n]))
+
+				_, err = conn.Write([]byte(config.GetYamlConfig().MML.Password + "\n"))
+				if err != nil {
+					log.Error("Failed to write:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
+
+				// loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
+				// _, err = conn.Write([]byte(loginStr))
+				// if err != nil {
+				// 	log.Error("Failed to write:", err)
+				// 	mmlResult = append(mmlResult, err.Error())
+				// 	response := Response{mmlResult}
+				// 	services.ResponseWithJson(w, http.StatusOK, response)
+				// 	return
+				// }
+
+				n, err = conn.Read(buf[0:])
+				if err != nil {
+					log.Error("Failed to read:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				log.Trace(string(buf[0 : n-len(neType)-2]))
+
+				mmlCommand := fmt.Sprintf("%s\n", mml)
+				log.Debug("mml command:", mmlCommand)
+				_, err = conn.Write([]byte(mmlCommand))
+				if err != nil {
+					log.Error("Failed to write:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
+
+				n, err = conn.Read(buf[0:])
+				if err != nil {
+					log.Error("Failed to read:", err)
+					mmlResult = append(mmlResult, err.Error())
+					response := Response{mmlResult}
+					services.ResponseWithJson(w, http.StatusOK, response)
+					return
+				}
+				log.Trace(string(buf[0 : n-len(neType)-2]))
+
+				re1 := regexp.MustCompile(`\x1B\[[0-9;]*[a-zA-Z]`) // 匹配包含␛的控制字符
+				//re2 := regexp.MustCompile(`\x00`) // 匹配空字符
+				re2 := regexp.MustCompile(`[\x00-\x08\x0B\x0C\x0E-\x1F\x7F\x1B]`) // 匹配空字符和包含␛的控制字符
+				//re := regexp.MustCompile(`[\x00-\x1F\x7F]`)
+				// upf telnet buffer只能读取一次，需要去掉前面的多余字符
+				//result := re1.ReplaceAllString(string(buf[0:n-len(neType)-2]), "")
+				result := re1.ReplaceAllString(string(buf[0:]), "")
+				result = re2.ReplaceAllString(result, "")
+				mmlResult = append(mmlResult, result)
+				conn.Close()
+			}
 		default:
+			hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
+			conn, err := net.Dial("tcp", hostMML)
+			if err != nil {
+				errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
+				log.Error(errMsg)
+				mmlResult = append(mmlResult, errMsg)
+				response := Response{mmlResult}
+				services.ResponseWithJson(w, http.StatusOK, response)
+				return
+			}
+			defer conn.Close()
+
+			// localAddr := conn.LocalAddr()
+			// remoteAddr := conn.RemoteAddr()
+			// if localAddr == nil || remoteAddr == nil {
+			// 	errMsg := fmt.Sprintf("connect invalid: localAddr=%v, remoteAddr=%v", localAddr, remoteAddr)
+			// 	log.Error(errMsg)
+			// 	mmlResult = append(mmlResult, errMsg)
+			// 	response := Response{mmlResult}
+			// 	services.ResponseWithJson(w, http.StatusOK, response)
+			// 	return
+			// }
+
+			conn.SetDeadline(time.Now().Add(10 * time.Second))
 			loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
 			_, err = conn.Write([]byte(loginStr))
 			if err != nil {