diff --git a/api/auth/auth.pb.go b/api/auth/auth.pb.go
index e1e51a948b91871c21e9a9f66e797b2745aee680..8890fb768f4b488078bceaa7bbd4c937ee6fe782 100644
--- a/api/auth/auth.pb.go
+++ b/api/auth/auth.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.31.0
 // 	protoc        v4.22.2
 // source: api/proto/auth.proto
 
diff --git a/api/info/info.pb.go b/api/info/info.pb.go
index 3b5a3d46b050f228d4d9b1a16240854eddad1798..f08fcbd9a2f3c51e5c7ef2225d1d552bf3255eb9 100644
--- a/api/info/info.pb.go
+++ b/api/info/info.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.31.0
 // 	protoc        v4.22.2
 // source: api/proto/info.proto
 
diff --git a/api/monitor/monitor.pb.go b/api/monitor/monitor.pb.go
index e5ecb413c4f78aea09fc8373ae9420a5f840cada..48e42b5ded17b37f160f6c31f77aa395eaa0c433 100644
--- a/api/monitor/monitor.pb.go
+++ b/api/monitor/monitor.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.31.0
 // 	protoc        v4.22.2
 // source: api/proto/monitor.proto
 
@@ -109,6 +109,8 @@ type FileInfo struct {
 	ATime int64 `protobuf:"varint,7,opt,name=a_time,json=aTime,proto3" json:"a_time,omitempty"`
 	// MTime last modify time, unix sec
 	MTime int64 `protobuf:"varint,8,opt,name=m_time,json=mTime,proto3" json:"m_time,omitempty"`
+	// LinkTo link to the real file
+	LinkTo string `protobuf:"bytes,9,opt,name=link_to,json=linkTo,proto3" json:"link_to,omitempty"`
 }
 
 func (x *FileInfo) Reset() {
@@ -199,6 +201,13 @@ func (x *FileInfo) GetMTime() int64 {
 	return 0
 }
 
+func (x *FileInfo) GetLinkTo() string {
+	if x != nil {
+		return x.LinkTo
+	}
+	return ""
+}
+
 // HashValue the file hash info
 type HashValue struct {
 	state         protoimpl.MessageState
@@ -271,7 +280,7 @@ var file_api_proto_monitor_proto_rawDesc = []byte{
 	0x6f, 0x12, 0x16, 0x0a, 0x06, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28,
 	0x05, 0x52, 0x06, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x19, 0x0a, 0x08, 0x62, 0x61, 0x73,
 	0x65, 0x5f, 0x75, 0x72, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x62, 0x61, 0x73,
-	0x65, 0x55, 0x72, 0x6c, 0x22, 0xd7, 0x01, 0x0a, 0x08, 0x46, 0x69, 0x6c, 0x65, 0x49, 0x6e, 0x66,
+	0x65, 0x55, 0x72, 0x6c, 0x22, 0xf0, 0x01, 0x0a, 0x08, 0x46, 0x69, 0x6c, 0x65, 0x49, 0x6e, 0x66,
 	0x6f, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
 	0x04, 0x70, 0x61, 0x74, 0x68, 0x12, 0x15, 0x0a, 0x06, 0x69, 0x73, 0x5f, 0x64, 0x69, 0x72, 0x18,
 	0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x05, 0x69, 0x73, 0x44, 0x69, 0x72, 0x12, 0x12, 0x0a, 0x04,
@@ -284,19 +293,20 @@ var file_api_proto_monitor_proto_rawDesc = []byte{
 	0x69, 0x6d, 0x65, 0x18, 0x06, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05, 0x63, 0x54, 0x69, 0x6d, 0x65,
 	0x12, 0x15, 0x0a, 0x06, 0x61, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x07, 0x20, 0x01, 0x28, 0x03,
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+	0x06, 0x6c, 0x69, 0x6e, 0x6b, 0x54, 0x6f, 0x22, 0x37, 0x0a, 0x09, 0x48, 0x61, 0x73, 0x68, 0x56,
+	0x61, 0x6c, 0x75, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x6f, 0x66, 0x66, 0x73, 0x65, 0x74, 0x18, 0x01,
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+	0x2f, 0x6e, 0x6f, 0x2d, 0x73, 0x72, 0x63, 0x2f, 0x67, 0x6f, 0x66, 0x73, 0x2f, 0x61, 0x70, 0x69,
+	0x2f, 0x6d, 0x6f, 0x6e, 0x69, 0x74, 0x6f, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/api/proto/monitor.proto b/api/proto/monitor.proto
index 18b8e6b2c4339bb0e05dc5f70027572df39db3e1..0f0493d382fb62f392de47c1decdd5152babdf47 100644
--- a/api/proto/monitor.proto
+++ b/api/proto/monitor.proto
@@ -39,6 +39,8 @@ message FileInfo{
   int64 a_time = 7;
   // MTime last modify time, unix sec
   int64 m_time = 8;
+  // LinkTo link to the real file
+  string link_to = 9;
 }
 
 // HashValue the file hash info
diff --git a/api/task/task.pb.go b/api/task/task.pb.go
index 1f212d3dd28f5c6cba48fae1cf7dfba08098f53d..1179f19157f68c2c11657429c643b85aa9485ff7 100644
--- a/api/task/task.pb.go
+++ b/api/task/task.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.31.0
 // 	protoc        v4.22.2
 // source: api/proto/task.proto
 
diff --git a/contract/file_info.go b/contract/file_info.go
index 683e2257346b3c319990e479d5573a6faca5dda6..116fce0a62748e452f401e2ece5bcca5bcd79bf0 100644
--- a/contract/file_info.go
+++ b/contract/file_info.go
@@ -20,4 +20,6 @@ type FileInfo struct {
 	ATime int64 `json:"a_time"`
 	// MTime last modify time, unix sec
 	MTime int64 `json:"m_time"`
+	// LinkTo link to the real file
+	LinkTo string `json:"link_to"`
 }