diff --git a/api/router.go b/api/router.go
index 86dcd5e..b0b51e2 100644
--- a/api/router.go
+++ b/api/router.go
@@ -16,15 +16,6 @@ var (
 	ServerStartTime time.Time
 )
 
-func isValidInterface(ifName string) bool {
-	for _, validIface := range config.Config.AvailableInterfaces {
-		if ifName == validIface {
-			return true
-		}
-	}
-	return false
-}
-
 func SetupRoutes(r *gin.Engine) {
 	r.StaticFile("/", "./static/index.html")
 	r.Static("/static", "./static")
@@ -43,7 +34,7 @@ func SetupRoutes(r *gin.Engine) {
 			}
 
 			// 验证接口
-			if !isValidInterface(req.Interface) {
+			if !config.IsValidInterface(req.Interface) {
 				c.JSON(http.StatusBadRequest, define.ApiResponse{
 					Status: "error",
 					Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", req.Interface, config.Config.AvailableInterfaces),
@@ -105,7 +96,7 @@ func SetupRoutes(r *gin.Engine) {
 			}
 
 			// 验证接口
-			if !isValidInterface(req.Interface) {
+			if !config.IsValidInterface(req.Interface) {
 				c.JSON(http.StatusBadRequest, define.ApiResponse{
 					Status: "error",
 					Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", req.Interface, config.Config.AvailableInterfaces),
@@ -158,7 +149,7 @@ func SetupRoutes(r *gin.Engine) {
 			}
 
 			// 验证接口
-			if !isValidInterface(req.Interface) {
+			if !config.IsValidInterface(req.Interface) {
 				c.JSON(http.StatusBadRequest, define.ApiResponse{
 					Status: "error",
 					Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", req.Interface, config.Config.AvailableInterfaces),
@@ -196,7 +187,7 @@ func SetupRoutes(r *gin.Engine) {
 			}
 
 			// 验证接口
-			if !isValidInterface(ifName) {
+			if !config.IsValidInterface(ifName) {
 				c.JSON(http.StatusBadRequest, define.ApiResponse{
 					Status: "error",
 					Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", ifName, config.Config.AvailableInterfaces),
@@ -299,7 +290,7 @@ func SetupRoutes(r *gin.Engine) {
 			}
 
 			// 验证接口
-			if !isValidInterface(req.Interface) {
+			if !config.IsValidInterface(req.Interface) {
 				c.JSON(http.StatusBadRequest, define.ApiResponse{
 					Status: "error",
 					Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", req.Interface, config.Config.AvailableInterfaces),
@@ -358,7 +349,7 @@ func SetupRoutes(r *gin.Engine) {
 
 			if ifName != "" {
 				// 验证接口
-				if !isValidInterface(ifName) {
+				if !config.IsValidInterface(ifName) {
 					c.JSON(http.StatusBadRequest, define.ApiResponse{
 						Status: "error",
 						Error:  fmt.Sprintf("无效的接口 %s，可用接口: %v", ifName, config.Config.AvailableInterfaces),
diff --git a/config/config.go b/config/config.go
index a5bd41f..426ee2f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,5 +1,12 @@
 package config
 
-import "hands/define"
+import (
+	"hands/define"
+	"slices"
+)
 
 var Config *define.Config
+
+func IsValidInterface(ifName string) bool {
+	return slices.Contains(Config.AvailableInterfaces, ifName)
+}
diff --git a/hands/animation.go b/hands/animation.go
index 43c270c..27500a4 100644
--- a/hands/animation.go
+++ b/hands/animation.go
@@ -35,7 +35,7 @@ func StartWaveAnimation(ifName string, speed int, handType string, handId uint32
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		log.Printf("❌ 无法启动波浪动画: 无效的接口 %s", ifName)
 		return
 	}
@@ -150,7 +150,7 @@ func StartSwayAnimation(ifName string, speed int, handType string, handId uint32
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		log.Printf("❌ 无法启动摆动动画: 无效的接口 %s", ifName)
 		return
 	}
@@ -238,7 +238,7 @@ func StopAllAnimations(ifName string) {
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		log.Printf("⚠️ 尝试停止无效接口的动画: %s", ifName)
 		return
 	}
diff --git a/hands/hands.go b/hands/hands.go
index 5c247ad..fc1c1c3 100644
--- a/hands/hands.go
+++ b/hands/hands.go
@@ -6,7 +6,6 @@ import (
 	"hands/define"
 	"log"
 	"math/rand/v2"
-	"slices"
 	"strings"
 	"sync"
 	"time"
@@ -104,11 +103,6 @@ func ParseHandType(handType string, handId uint32, ifName string) uint32 {
 	}
 }
 
-// 验证接口是否可用
-func IsValidInterface(ifName string) bool {
-	return slices.Contains(config.Config.AvailableInterfaces, ifName)
-}
-
 // 发送手指姿态指令 - 支持手型参数
 func SendFingerPose(ifName string, pose []byte, handType string, handId uint32) error {
 	if len(pose) != 6 {
@@ -121,7 +115,7 @@ func SendFingerPose(ifName string, pose []byte, handType string, handId uint32)
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		return fmt.Errorf("无效的接口 %s，可用接口: %v", ifName, config.Config.AvailableInterfaces)
 	}
 
@@ -182,7 +176,7 @@ func SendPalmPose(ifName string, pose []byte, handType string, handId uint32) er
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		return fmt.Errorf("无效的接口 %s，可用接口: %v", ifName, config.Config.AvailableInterfaces)
 	}
 
@@ -236,7 +230,7 @@ func resetToDefaultPose(ifName string) {
 	}
 
 	// 验证接口
-	if !IsValidInterface(ifName) {
+	if !config.IsValidInterface(ifName) {
 		log.Printf("⚠️ 尝试重置无效接口: %s", ifName)
 		return
 	}