diff --git a/internal/handler/handler.go b/internal/handler/handler.go
index 57a6ddc..be18b27 100644
--- a/internal/handler/handler.go
+++ b/internal/handler/handler.go
@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"gpt-load/internal/config"
-	"gpt-load/internal/models"
 	"gpt-load/internal/services"
 	"gpt-load/internal/types"
 
@@ -93,20 +92,6 @@ func (s *Server) Login(c *gin.Context) {
 
 // Health handles health check requests
 func (s *Server) Health(c *gin.Context) {
-	var totalKeys, healthyKeys int64
-	s.DB.Model(&models.APIKey{}).Count(&totalKeys)
-	s.DB.Model(&models.APIKey{}).Where("status = ?", models.KeyStatusActive).Count(&healthyKeys)
-
-	status := "healthy"
-	httpStatus := http.StatusOK
-
-	// Check if there are any healthy keys
-	if healthyKeys == 0 && totalKeys > 0 {
-		status = "unhealthy"
-		httpStatus = http.StatusServiceUnavailable
-	}
-
-	// Calculate uptime (this should be tracked from server start time)
 	uptime := "unknown"
 	if startTime, exists := c.Get("serverStartTime"); exists {
 		if st, ok := startTime.(time.Time); ok {
@@ -114,11 +99,9 @@ func (s *Server) Health(c *gin.Context) {
 		}
 	}
 
-	c.JSON(httpStatus, gin.H{
-		"status":       status,
-		"timestamp":    time.Now().UTC().Format(time.RFC3339),
-		"healthy_keys": healthyKeys,
-		"total_keys":   totalKeys,
-		"uptime":       uptime,
+	c.JSON(http.StatusOK, gin.H{
+		"status":    "healthy",
+		"timestamp": time.Now().UTC().Format(time.RFC3339),
+		"uptime":    uptime,
 	})
 }
diff --git a/internal/middleware/middleware.go b/internal/middleware/middleware.go
index fdb5880..25d6e91 100644
--- a/internal/middleware/middleware.go
+++ b/internal/middleware/middleware.go
@@ -6,11 +6,11 @@ import (
 	"strings"
 	"time"
 
-	"gpt-load/internal/response"
-	"gpt-load/internal/types"
 	"gpt-load/internal/channel"
-	"gpt-load/internal/services"
 	app_errors "gpt-load/internal/errors"
+	"gpt-load/internal/response"
+	"gpt-load/internal/services"
+	"gpt-load/internal/types"
 
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
@@ -124,7 +124,7 @@ func Auth(
 	return func(c *gin.Context) {
 		path := c.Request.URL.Path
 
-		// Skip authentication for health/stats endpoints
+		// Skip authentication for health endpoints
 		if isMonitoringEndpoint(path) {
 			c.Next()
 			return
@@ -223,7 +223,7 @@ func ErrorHandler() gin.HandlerFunc {
 
 // isMonitoringEndpoint checks if the path is a monitoring endpoint
 func isMonitoringEndpoint(path string) bool {
-	monitoringPaths := []string{"/health", "/stats"}
+	monitoringPaths := []string{"/health"}
 	for _, monitoringPath := range monitoringPaths {
 		if path == monitoringPath {
 			return true
diff --git a/internal/router/router.go b/internal/router/router.go
index 822fbae..b020e95 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -57,8 +57,9 @@ func NewRouter(
 	router.Use(middleware.Logger(configManager.GetLogConfig()))
 	router.Use(middleware.CORS(configManager.GetCORSConfig()))
 	router.Use(middleware.RateLimiter(configManager.GetPerformanceConfig()))
+	startTime := time.Now()
 	router.Use(func(c *gin.Context) {
-		c.Set("serverStartTime", time.Now())
+		c.Set("serverStartTime", startTime)
 		c.Next()
 	})
 
@@ -74,7 +75,6 @@ func NewRouter(
 // registerSystemRoutes 注册系统级路由
 func registerSystemRoutes(router *gin.Engine, serverHandler *handler.Server) {
 	router.GET("/health", serverHandler.Health)
-	router.GET("/stats", serverHandler.Stats)
 }
 
 // registerAPIRoutes 注册API路由