diff --git a/build/rpc.json b/build/rpc.json
index 1d1768e..3c14856 100644
--- a/build/rpc.json
+++ b/build/rpc.json
@@ -15363,7 +15363,7 @@
     },
     {
       "name": "CreateDNSProviderRequest",
-      "code": "message CreateDNSProviderRequest {\n\tstring name = 1;\n\tstring type = 2;\n\tbytes apiParamsJSON = 3;\n}",
+      "code": "message CreateDNSProviderRequest {\n\tstring name = 1;\n\tstring type = 2;\n\tbytes apiParamsJSON = 3;\n\tint32 minTTL = 4; // 最小TTL\n}",
       "doc": "创建服务商"
     },
     {
@@ -16303,7 +16303,7 @@
     },
     {
       "name": "DNSProvider",
-      "code": "message DNSProvider {\n\tint64 id = 1;\n\tstring name = 2;\n\tstring type = 3;\n\tstring typeName = 4;\n\tbytes apiParamsJSON = 5;\n\tint64 dataUpdatedAt = 6;\n}",
+      "code": "message DNSProvider {\n\tint64 id = 1;\n\tstring name = 2;\n\tstring type = 3;\n\tstring typeName = 4;\n\tbytes apiParamsJSON = 5;\n\tint64 dataUpdatedAt = 6;\n\tint32 minTTL = 7; // 最小TTL\n}",
       "doc": ""
     },
     {
@@ -22593,7 +22593,7 @@
     },
     {
       "name": "UpdateDNSProviderRequest",
-      "code": "message UpdateDNSProviderRequest {\n\tint64 dnsProviderId = 1;\n\tstring name = 2;\n\tbytes apiParamsJSON = 3;\n}",
+      "code": "message UpdateDNSProviderRequest {\n\tint64 dnsProviderId = 1;\n\tstring name = 2;\n\tbytes apiParamsJSON = 3;\n\tint32 minTTL = 4; // 最小TTL\n}",
       "doc": "修改服务商"
     },
     {
diff --git a/pkg/rpc/pb/model_dns_provider.pb.go b/pkg/rpc/pb/model_dns_provider.pb.go
index fa5c6aa..c44db34 100644
--- a/pkg/rpc/pb/model_dns_provider.pb.go
+++ b/pkg/rpc/pb/model_dns_provider.pb.go
@@ -31,6 +31,7 @@ type DNSProvider struct {
 	TypeName      string `protobuf:"bytes,4,opt,name=typeName,proto3" json:"typeName,omitempty"`
 	ApiParamsJSON []byte `protobuf:"bytes,5,opt,name=apiParamsJSON,proto3" json:"apiParamsJSON,omitempty"`
 	DataUpdatedAt int64  `protobuf:"varint,6,opt,name=dataUpdatedAt,proto3" json:"dataUpdatedAt,omitempty"`
+	MinTTL        int32  `protobuf:"varint,7,opt,name=minTTL,proto3" json:"minTTL,omitempty"` // 最小TTL
 }
 
 func (x *DNSProvider) Reset() {
@@ -107,12 +108,19 @@ func (x *DNSProvider) GetDataUpdatedAt() int64 {
 	return 0
 }
 
+func (x *DNSProvider) GetMinTTL() int32 {
+	if x != nil {
+		return x.MinTTL
+	}
+	return 0
+}
+
 var File_models_model_dns_provider_proto protoreflect.FileDescriptor
 
 var file_models_model_dns_provider_proto_rawDesc = []byte{
 	0x0a, 0x1f, 0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x73, 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x5f, 0x64,
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@@ -123,8 +131,9 @@ var file_models_model_dns_provider_proto_rawDesc = []byte{
 	0x52, 0x0d, 0x61, 0x70, 0x69, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x73, 0x4a, 0x53, 0x4f, 0x4e, 0x12,
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+	0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/pkg/rpc/pb/service_dns_provider.pb.go b/pkg/rpc/pb/service_dns_provider.pb.go
index 9ae7beb..af337c1 100644
--- a/pkg/rpc/pb/service_dns_provider.pb.go
+++ b/pkg/rpc/pb/service_dns_provider.pb.go
@@ -29,6 +29,7 @@ type CreateDNSProviderRequest struct {
 	Name          string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Type          string `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
 	ApiParamsJSON []byte `protobuf:"bytes,3,opt,name=apiParamsJSON,proto3" json:"apiParamsJSON,omitempty"`
+	MinTTL        int32  `protobuf:"varint,4,opt,name=minTTL,proto3" json:"minTTL,omitempty"` // 最小TTL
 }
 
 func (x *CreateDNSProviderRequest) Reset() {
@@ -84,6 +85,13 @@ func (x *CreateDNSProviderRequest) GetApiParamsJSON() []byte {
 	return nil
 }
 
+func (x *CreateDNSProviderRequest) GetMinTTL() int32 {
+	if x != nil {
+		return x.MinTTL
+	}
+	return 0
+}
+
 type CreateDNSProviderResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -140,6 +148,7 @@ type UpdateDNSProviderRequest struct {
 	DnsProviderId int64  `protobuf:"varint,1,opt,name=dnsProviderId,proto3" json:"dnsProviderId,omitempty"`
 	Name          string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	ApiParamsJSON []byte `protobuf:"bytes,3,opt,name=apiParamsJSON,proto3" json:"apiParamsJSON,omitempty"`
+	MinTTL        int32  `protobuf:"varint,4,opt,name=minTTL,proto3" json:"minTTL,omitempty"` // 最小TTL
 }
 
 func (x *UpdateDNSProviderRequest) Reset() {
@@ -195,6 +204,13 @@ func (x *UpdateDNSProviderRequest) GetApiParamsJSON() []byte {
 	return nil
 }
 
+func (x *UpdateDNSProviderRequest) GetMinTTL() int32 {
+	if x != nil {
+		return x.MinTTL
+	}
+	return 0
+}
+
 // 计算服务商数量
 type CountAllEnabledDNSProvidersRequest struct {
 	state         protoimpl.MessageState
@@ -924,162 +940,165 @@ var file_service_dns_provider_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/pkg/rpc/protos/models/model_dns_provider.proto b/pkg/rpc/protos/models/model_dns_provider.proto
index 996af61..0ff27b1 100644
--- a/pkg/rpc/protos/models/model_dns_provider.proto
+++ b/pkg/rpc/protos/models/model_dns_provider.proto
@@ -10,4 +10,5 @@ message DNSProvider {
 	string typeName = 4;
 	bytes apiParamsJSON = 5;
 	int64 dataUpdatedAt = 6;
+	int32 minTTL = 7; // 最小TTL
 }
\ No newline at end of file
diff --git a/pkg/rpc/protos/service_dns_provider.proto b/pkg/rpc/protos/service_dns_provider.proto
index 2f675eb..15af63c 100644
--- a/pkg/rpc/protos/service_dns_provider.proto
+++ b/pkg/rpc/protos/service_dns_provider.proto
@@ -41,6 +41,7 @@ message CreateDNSProviderRequest {
 	string name = 1;
 	string type = 2;
 	bytes apiParamsJSON = 3;
+	int32 minTTL = 4; // 最小TTL
 }
 
 message CreateDNSProviderResponse {
@@ -52,6 +53,7 @@ message UpdateDNSProviderRequest {
 	int64 dnsProviderId = 1;
 	string name = 2;
 	bytes apiParamsJSON = 3;
+	int32 minTTL = 4; // 最小TTL
 }
 
 // 计算服务商数量