diff --git a/venus-shared/api/market/method.md b/venus-shared/api/market/method.md
index e7006bf078..35aa2d4e85 100644
--- a/venus-shared/api/market/method.md
+++ b/venus-shared/api/market/method.md
@@ -176,7 +176,9 @@ Inputs:
     "MaxPieceSize": 42,
     "MinPiece": 123,
     "MinPieceSize": 42,
-    "MinUsedSpace": 42
+    "MinUsedSpace": 42,
+    "StartEpoch": 10101,
+    "EndEpoch": 10101
   }
 ]
 ```
@@ -633,7 +635,9 @@ Inputs:
     "MaxPieceSize": 42,
     "MinPiece": 123,
     "MinPieceSize": 42,
-    "MinUsedSpace": 42
+    "MinUsedSpace": 42,
+    "StartEpoch": 10101,
+    "EndEpoch": 10101
   }
 ]
 ```
diff --git a/venus-shared/types/market/assigner_type.go b/venus-shared/types/market/assigner_type.go
index 8608b9decf..9fe4538f84 100644
--- a/venus-shared/types/market/assigner_type.go
+++ b/venus-shared/types/market/assigner_type.go
@@ -43,6 +43,14 @@ type GetDealSpec struct {
 
 	// min limit of total space used by deals
 	MinUsedSpace uint64
+
+	// start epoch limit of the chosen deals
+	// if set, the deals should not be activated before or equal than the this epoch
+	StartEpoch abi.ChainEpoch
+
+	// end epoch limit of the chosen deals
+	// if set, the deals should not be alive after or equal than the this epoch
+	EndEpoch abi.ChainEpoch
 }
 
 type DealInfoIncludePath struct {