diff --git a/config/config.go b/config/config.go
index f11c335..e75bca4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -113,7 +113,7 @@ type Config struct {
 
 	ConnReadBufferSize    int `toml:"conn_read_buffer_size"`
 	ConnWriteBufferSize   int `toml:"conn_write_buffer_size"`
-	ConnKeepaliveInterval int `toml:"conn_keepavlie_interval"`
+	ConnKeepaliveInterval int `toml:"conn_keepalive_interval"`
 
 	TTLCheckInterval int `toml:"ttl_check_interval"`
 }
diff --git a/config/config.toml b/config/config.toml
index 6b6722b..f75c784 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -50,7 +50,7 @@ conn_write_buffer_size = 10240
 
 # if connection receives no data after n seconds, it may be dead, close 
 # 0 to disable and not check 
-conn_keepavlie_interval = 0
+conn_keepalive_interval = 0
 
 # checking TTL (time to live) data every n seconds
 # if you set big, the expired data may not be deleted immediately
diff --git a/etc/ledis.conf b/etc/ledis.conf
index 6b6722b..f75c784 100644
--- a/etc/ledis.conf
+++ b/etc/ledis.conf
@@ -50,7 +50,7 @@ conn_write_buffer_size = 10240
 
 # if connection receives no data after n seconds, it may be dead, close 
 # 0 to disable and not check 
-conn_keepavlie_interval = 0
+conn_keepalive_interval = 0
 
 # checking TTL (time to live) data every n seconds
 # if you set big, the expired data may not be deleted immediately
diff --git a/server/info.go b/server/info.go
index 1b7d27d..0e807c1 100644
--- a/server/info.go
+++ b/server/info.go
@@ -173,31 +173,33 @@ func (i *info) dumpStore(buf *bytes.Buffer) {
 
 	s := i.app.ldb.StoreStat()
 
-	getNum := s.GetNum.Get()
-	getTotalTime := s.GetTotalTime.Get()
+	// getNum := s.GetNum.Get()
+	// getTotalTime := s.GetTotalTime.Get()
 
-	gt := int64(0)
-	if getNum > 0 {
-		gt = getTotalTime.Nanoseconds() / (getNum * 1e3)
-	}
+	// gt := int64(0)
+	// if getNum > 0 {
+	// 	gt = getTotalTime.Nanoseconds() / (getNum * 1e3)
+	// }
 
-	commitNum := s.BatchCommitNum.Get()
-	commitTotalTime := s.BatchCommitTotalTime.Get()
+	// commitNum := s.BatchCommitNum.Get()
+	// commitTotalTime := s.BatchCommitTotalTime.Get()
 
-	ct := int64(0)
-	if commitNum > 0 {
-		ct = commitTotalTime.Nanoseconds() / (commitNum * 1e3)
-	}
+	// ct := int64(0)
+	// if commitNum > 0 {
+	// 	ct = commitTotalTime.Nanoseconds() / (commitNum * 1e3)
+	// }
 
 	i.dumpPairs(buf, infoPair{"name", i.app.cfg.DBName},
 		infoPair{"get", s.GetNum},
 		infoPair{"get_missing", s.GetMissingNum},
-		infoPair{"get_per_time", fmt.Sprintf("%0.002fms", float64(gt)/1000.0)},
+		infoPair{"put", s.PutNum},
+		infoPair{"delete", s.DeleteNum},
+		infoPair{"get_total_time", s.GetTotalTime.Get().String()},
 		infoPair{"iter", s.IterNum},
 		infoPair{"iter_seek", s.IterSeekNum},
 		infoPair{"iter_close", s.IterCloseNum},
 		infoPair{"batch_commit", s.BatchCommitNum},
-		infoPair{"batch_commit_per_time", fmt.Sprintf("%0.002fms", float64(ct)/1000.0)},
+		infoPair{"batch_commit_total_time", s.BatchCommitTotalTime.Get().String()},
 	)
 }
 
diff --git a/store/writebatch.go b/store/writebatch.go
index 773eeaf..a7fd84a 100644
--- a/store/writebatch.go
+++ b/store/writebatch.go
@@ -9,19 +9,28 @@ type WriteBatch struct {
 	wb driver.IWriteBatch
 	st *Stat
 
-	db *DB
+	putNum    int64
+	deleteNum int64
+	db        *DB
 }
 
 func (wb *WriteBatch) Put(key []byte, value []byte) {
+	wb.putNum++
 	wb.wb.Put(key, value)
 }
 
 func (wb *WriteBatch) Delete(key []byte) {
+	wb.deleteNum++
 	wb.wb.Delete(key)
 }
 
 func (wb *WriteBatch) Commit() error {
 	wb.st.BatchCommitNum.Add(1)
+	wb.st.PutNum.Add(wb.putNum)
+	wb.st.DeleteNum.Add(wb.deleteNum)
+	wb.putNum = 0
+	wb.deleteNum = 0
+
 	var err error
 	t := time.Now()
 	if wb.db == nil || !wb.db.needSyncCommit() {
@@ -36,5 +45,8 @@ func (wb *WriteBatch) Commit() error {
 }
 
 func (wb *WriteBatch) Rollback() error {
+	wb.putNum = 0
+	wb.deleteNum = 0
+
 	return wb.wb.Rollback()
 }