diff --git a/build/configs/db.template.yaml b/build/configs/db.template.yaml
index 3bb54452..2140af8e 100644
--- a/build/configs/db.template.yaml
+++ b/build/configs/db.template.yaml
@@ -12,5 +12,5 @@ dbs:
 
 
 fields:
-  bool: [ "uamIsOn", "followPort", "requestHostExcludingPort", "autoRemoteStart", "autoInstallNftables", "enableIPLists", "detectAgents", "checkingPorts", "enableRecordHealthCheck", "offlineIsNotified", "http2Enabled", "http3Enabled", "enableHTTP2", "retry50X", "autoSystemTuning", "disableDefaultDB" ]
+  bool: [ "uamIsOn", "followPort", "requestHostExcludingPort", "autoRemoteStart", "autoInstallNftables", "enableIPLists", "detectAgents", "checkingPorts", "enableRecordHealthCheck", "offlineIsNotified", "http2Enabled", "http3Enabled", "enableHTTP2", "retry50X", "retry40X", "autoSystemTuning", "disableDefaultDB" ]
 
diff --git a/internal/db/models/reverse_proxy_dao.go b/internal/db/models/reverse_proxy_dao.go
index 9246273b..0e0752f5 100644
--- a/internal/db/models/reverse_proxy_dao.go
+++ b/internal/db/models/reverse_proxy_dao.go
@@ -110,6 +110,7 @@ func (this *ReverseProxyDAO) ComposeReverseProxyConfig(tx *dbs.Tx, reverseProxyI
 	config.AutoFlush = reverseProxy.AutoFlush == 1
 	config.FollowRedirects = reverseProxy.FollowRedirects == 1
 	config.Retry50X = reverseProxy.Retry50X
+	config.Retry40X = reverseProxy.Retry40X
 
 	var schedulingConfig = &serverconfigs.SchedulingConfig{}
 	if IsNotNull(reverseProxy.Scheduling) {
@@ -219,7 +220,8 @@ func (this *ReverseProxyDAO) CreateReverseProxy(tx *dbs.Tx, adminId int64, userI
 	op.AdminId = adminId
 	op.UserId = userId
 	op.RequestHostType = serverconfigs.RequestHostTypeProxyServer
-	op.Retry50X = true
+	op.Retry50X = false
+	op.Retry40X = false
 
 	defaultHeaders := []string{"X-Real-IP", "X-Forwarded-For", "X-Forwarded-By", "X-Forwarded-Host", "X-Forwarded-Proto"}
 	defaultHeadersJSON, err := json.Marshal(defaultHeaders)
@@ -428,7 +430,8 @@ func (this *ReverseProxyDAO) UpdateReverseProxy(tx *dbs.Tx,
 	maxIdleConns int32,
 	proxyProtocolJSON []byte,
 	followRedirects bool,
-	retry50X bool) error {
+	retry50X bool,
+	retry40X bool) error {
 	if reverseProxyId <= 0 {
 		return errors.New("invalid reverseProxyId")
 	}
@@ -494,6 +497,7 @@ func (this *ReverseProxyDAO) UpdateReverseProxy(tx *dbs.Tx,
 	}
 
 	op.Retry50X = retry50X
+	op.Retry40X = retry40X
 
 	err = this.Save(tx, op)
 	if err != nil {
diff --git a/internal/db/models/reverse_proxy_model.go b/internal/db/models/reverse_proxy_model.go
index 8a7dcee2..9a123b6f 100644
--- a/internal/db/models/reverse_proxy_model.go
+++ b/internal/db/models/reverse_proxy_model.go
@@ -28,6 +28,7 @@ const (
 	ReverseProxyField_ProxyProtocol            dbs.FieldName = "proxyProtocol"            // Proxy Protocol配置
 	ReverseProxyField_FollowRedirects          dbs.FieldName = "followRedirects"          // 回源跟随
 	ReverseProxyField_Retry50X                 dbs.FieldName = "retry50X"                 // 启用50X重试
+	ReverseProxyField_Retry40X                 dbs.FieldName = "retry40X"                 // 启用40X重试
 )
 
 // ReverseProxy 反向代理配置
@@ -57,6 +58,7 @@ type ReverseProxy struct {
 	ProxyProtocol            dbs.JSON `field:"proxyProtocol"`            // Proxy Protocol配置
 	FollowRedirects          uint8    `field:"followRedirects"`          // 回源跟随
 	Retry50X                 bool     `field:"retry50X"`                 // 启用50X重试
+	Retry40X                 bool     `field:"retry40X"`                 // 启用40X重试
 }
 
 type ReverseProxyOperator struct {
@@ -85,6 +87,7 @@ type ReverseProxyOperator struct {
 	ProxyProtocol            any // Proxy Protocol配置
 	FollowRedirects          any // 回源跟随
 	Retry50X                 any // 启用50X重试
+	Retry40X                 any // 启用40X重试
 }
 
 func NewReverseProxyOperator() *ReverseProxyOperator {
diff --git a/internal/rpc/services/service_reverse_proxy.go b/internal/rpc/services/service_reverse_proxy.go
index f20e0f8d..801807f8 100644
--- a/internal/rpc/services/service_reverse_proxy.go
+++ b/internal/rpc/services/service_reverse_proxy.go
@@ -216,7 +216,7 @@ func (this *ReverseProxyService) UpdateReverseProxy(ctx context.Context, req *pb
 		}
 	}
 
-	err = models.SharedReverseProxyDAO.UpdateReverseProxy(tx, req.ReverseProxyId, types.Int8(req.RequestHostType), req.RequestHost, req.RequestHostExcludingPort, req.RequestURI, req.StripPrefix, req.AutoFlush, req.AddHeaders, connTimeout, readTimeout, idleTimeout, req.MaxConns, req.MaxIdleConns, req.ProxyProtocolJSON, req.FollowRedirects, req.Retry50X)
+	err = models.SharedReverseProxyDAO.UpdateReverseProxy(tx, req.ReverseProxyId, types.Int8(req.RequestHostType), req.RequestHost, req.RequestHostExcludingPort, req.RequestURI, req.StripPrefix, req.AutoFlush, req.AddHeaders, connTimeout, readTimeout, idleTimeout, req.MaxConns, req.MaxIdleConns, req.ProxyProtocolJSON, req.FollowRedirects, req.Retry50X, req.Retry40X)
 	if err != nil {
 		return nil, err
 	}