fix bug

paracross/paracross.go

@@ -9,6 +9,7 @@ import (
 	"math/rand"
 	"os"
 	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/33cn/chain33/common"
@@ -483,7 +484,7 @@ func (p *Paracross) lockCrossEvent(lock *paracorssTypes.CrossAssetTransfer, tx *
 			EventType:   types.EventType_Lock,
 			LockAddress: addr, // 用户地址
 			LockAmount:  lock.Amount,
-			Symbol:      types.Symbol(lock.AssetSymbol),
+			Symbol:      types.Symbol(strings.ToUpper(lock.AssetSymbol)),
 			Extra:       []byte(lock.Note),
 			Height:      height,
 			Nonce:       tx.Nonce,