diff --git a/consensus/posv/posv.go b/consensus/posv/posv.go
index 4939b0708e..6e0cfef64f 100644
--- a/consensus/posv/posv.go
+++ b/consensus/posv/posv.go
@@ -52,7 +52,7 @@ import (
 
 const (
 	inmemorySnapshots      = 128 // Number of recent vote snapshots to keep in memory
-	blockSignersCacheLimit = 3600
+	blockSignersCacheLimit = 36000
 	votingCacheLimit       = 1500000
 	M2ByteLength           = 4
 )
@@ -889,10 +889,10 @@ func (c *Posv) Finalize(chain consensus.ChainReader, header *types.Header, state
 	}
 
 	if c.HookReward != nil && number%rCheckpoint == 0 {
-        if !c.EnableCache && c.BlockSigners.Len() >= 2700 {
-            fmt.Println("EnableCache true c.BlockSigners.Len()", c.BlockSigners.Len())
-            c.EnableCache = true
-        }
+		if !c.EnableCache && c.BlockSigners.Len() >= 2700 {
+			fmt.Println("EnableCache true c.BlockSigners.Len()", c.BlockSigners.Len())
+			c.EnableCache = true
+		}
 
 		err, rewards := c.HookReward(chain, state, header)
 		if err != nil {