diff --git a/internal/router/router.go b/internal/router/router.go
index b0459de..e1a732b 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -39,11 +39,6 @@ func Setup(c *Controllers) *gin.Engine {
 	cfg := services.GetConfig()
 	urlPrefix := strings.TrimSuffix(cfg.Server.URLPrefix, "/")
 
-	// 按需绑定 Pprof 调试路由
-	if cfg.Server.PprofEnabled {
-		pprof.Register(router)
-	}
-
 	// 创建一个路由组，如果有前缀则使用前缀，否则使用根路径
 	var root *gin.RouterGroup
 	if urlPrefix != "" {
@@ -52,6 +47,12 @@ func Setup(c *Controllers) *gin.Engine {
 		root = router.Group("")
 	}
 
+	// 按需绑定 Pprof 调试路由 (注册在 root 下以支持 URLPrefix)
+	if cfg.Server.PprofEnabled {
+		// pprof.RouteRegister 会在传入的路由组下注册 /debug/pprof 等路由
+		pprof.RouteRegister(root)
+	}
+
 	// =========================================================================
 	// 路由分类组装 (对应 Nginx 的 location 块分发)
 	// =========================================================================
@@ -96,7 +97,7 @@ func Setup(c *Controllers) *gin.Engine {
 			hasAnyExt = true
 		}
 
-		if strings.HasPrefix(relPath, "/api/") || strings.HasPrefix(relPath, "/assets/") || hasAnyExt {
+		if strings.HasPrefix(relPath, "/api/") || strings.HasPrefix(relPath, "/assets/") || strings.HasPrefix(relPath, "/debug/") || hasAnyExt {
 			ctx.String(404, "404 Not Found")
 			return
 		}