diff --git a/chain/fileBank.go b/chain/fileBank.go
index 1a19cb7..d253993 100644
--- a/chain/fileBank.go
+++ b/chain/fileBank.go
@@ -276,48 +276,6 @@ func (c *chainClient) QueryStorageOrder(fid string) (pattern.StorageOrder, error
 	return data, nil
 }
 
-func (c *chainClient) QueryPendingReplacements(puk []byte) (types.U128, error) {
-	defer func() {
-		if err := recover(); err != nil {
-			log.Println(utils.RecoverError(err))
-		}
-	}()
-
-	var data types.U128
-
-	acc, err := types.NewAccountID(puk)
-	if err != nil {
-		return data, errors.Wrap(err, "[NewAccountID]")
-	}
-
-	owner, err := codec.Encode(*acc)
-	if err != nil {
-		return data, errors.Wrap(err, "[EncodeToBytes]")
-	}
-
-	if !c.GetChainState() {
-		return data, pattern.ERR_RPC_CONNECTION
-	}
-
-	key, err := types.CreateStorageKey(c.metadata, pattern.FILEBANK, pattern.PENDINGREPLACE, owner)
-	if err != nil {
-		err = fmt.Errorf("rpc err: [%s] [st] [%s.%s] CreateStorageKey: %v", c.GetCurrentRpcAddr(), pattern.FILEBANK, pattern.PENDINGREPLACE, err)
-		c.SetChainState(false)
-		return data, err
-	}
-
-	ok, err := c.api.RPC.State.GetStorageLatest(key, &data)
-	if err != nil {
-		err = fmt.Errorf("rpc err: [%s] [st] [%s.%s] GetStorageLatest: %v", c.GetCurrentRpcAddr(), pattern.FILEBANK, pattern.PENDINGREPLACE, err)
-		c.SetChainState(false)
-		return data, err
-	}
-	if !ok {
-		return data, pattern.ERR_RPC_EMPTY_VALUE
-	}
-	return data, nil
-}
-
 func (c *chainClient) QueryRestoralOrder(fragmentHash string) (pattern.RestoralOrderInfo, error) {
 	defer func() {
 		if err := recover(); err != nil {
diff --git a/chain/sminer.go b/chain/sminer.go
index e531042..5ff1af2 100644
--- a/chain/sminer.go
+++ b/chain/sminer.go
@@ -277,6 +277,48 @@ func (c *chainClient) QueryRestoralTarget(puk []byte) (pattern.RestoralTargetInf
 	return data, nil
 }
 
+func (c *chainClient) QueryPendingReplacements(puk []byte) (types.U128, error) {
+	defer func() {
+		if err := recover(); err != nil {
+			log.Println(utils.RecoverError(err))
+		}
+	}()
+
+	var data types.U128
+
+	acc, err := types.NewAccountID(puk)
+	if err != nil {
+		return data, errors.Wrap(err, "[NewAccountID]")
+	}
+
+	owner, err := codec.Encode(*acc)
+	if err != nil {
+		return data, errors.Wrap(err, "[EncodeToBytes]")
+	}
+
+	if !c.GetChainState() {
+		return data, pattern.ERR_RPC_CONNECTION
+	}
+
+	key, err := types.CreateStorageKey(c.metadata, pattern.SMINER, pattern.PENDINGREPLACE, owner)
+	if err != nil {
+		err = fmt.Errorf("rpc err: [%s] [st] [%s.%s] CreateStorageKey: %v", c.GetCurrentRpcAddr(), pattern.SMINER, pattern.PENDINGREPLACE, err)
+		c.SetChainState(false)
+		return data, err
+	}
+
+	ok, err := c.api.RPC.State.GetStorageLatest(key, &data)
+	if err != nil {
+		err = fmt.Errorf("rpc err: [%s] [st] [%s.%s] GetStorageLatest: %v", c.GetCurrentRpcAddr(), pattern.SMINER, pattern.PENDINGREPLACE, err)
+		c.SetChainState(false)
+		return data, err
+	}
+	if !ok {
+		return data, pattern.ERR_RPC_EMPTY_VALUE
+	}
+	return data, nil
+}
+
 func (c *chainClient) UpdateSminerPeerId(peerid pattern.PeerId) (string, error) {
 	c.lock.Lock()
 	defer func() {
diff --git a/core/sdk/sdk.go b/core/sdk/sdk.go
index dd2dd31..cf70ea3 100644
--- a/core/sdk/sdk.go
+++ b/core/sdk/sdk.go
@@ -56,9 +56,6 @@ type SDK interface {
 	QueryFileMetadata(fid string) (pattern.FileMetadata, error)
 	// QueryFileMetadataByBlock queries the metadata of the roothash file.
 	QueryFileMetadataByBlock(fid string, block uint64) (pattern.FileMetadata, error)
-	// QueryPendingReplacements queries the amount of idle data that can be replaced
-	//   Tip: accountID can only be a storage node account
-	QueryPendingReplacements(accountID []byte) (types.U128, error)
 	// QueryRestoralOrder queries a restore order info.
 	QueryRestoralOrder(roothash string) (pattern.RestoralOrderInfo, error)
 	QueryRestoralOrderList() ([]pattern.RestoralOrderInfo, error)
@@ -147,6 +144,9 @@ type SDK interface {
 	QueryRestoralTarget(accountID []byte) (pattern.RestoralTargetInfo, error)
 	// QueryRestoralTargetList queries the space recovery information of all exited storage nodes
 	QueryRestoralTargetList() ([]pattern.RestoralTargetInfo, error)
+	// QueryPendingReplacements queries the amount of idle data that can be replaced
+	//   Tip: accountID can only be a storage node account
+	QueryPendingReplacements(accountID []byte) (types.U128, error)
 
 	// Sminer-Extrinsics
 
diff --git a/example/process/process.go b/example/process/process.go
index 6821e24..2c9d518 100644
--- a/example/process/process.go
+++ b/example/process/process.go
@@ -8,9 +8,8 @@
 package main
 
 import (
-	"encoding/json"
 	"fmt"
-	"os"
+	"log"
 
 	"github.com/CESSProject/cess-go-sdk/core/pattern"
 	"github.com/CESSProject/cess-go-sdk/core/process"
@@ -22,23 +21,15 @@ type result struct {
 }
 
 func main() {
-	if len(os.Args) < 2 {
-		fmt.Println("missing parameter")
-		return
-	}
-	seg, rhash, err := process.ShardedEncryptionProcessing(os.Args[1], "")
+	var file = "process.go"
+	seg, rhash, err := process.ShardedEncryptionProcessing(file, "")
 	if err != nil {
-		fmt.Println(err)
+		log.Println(err)
 		return
 	}
 	var myResult = result{
 		Fid:         rhash,
 		SegmentData: seg,
 	}
-	buf, err := json.Marshal(myResult)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-	fmt.Println(buf)
+	fmt.Println(myResult)
 }