diff --git a/model/ddl.go b/model/ddl.go
index 5b596c12a..916ff810d 100644
--- a/model/ddl.go
+++ b/model/ddl.go
@@ -215,6 +215,9 @@ type Job struct {
 	SchemaState SchemaState     `json:"schema_state"`
 	// SnapshotVer means snapshot version for this job.
 	SnapshotVer uint64 `json:"snapshot_ver"`
+	// RealStartTS uses timestamp allocated by TSO.
+	// Now it's the TS when we actually start the job.
+	RealStartTS uint64 `json:"real_start_ts"`
 	// StartTS uses timestamp allocated by TSO.
 	// Now it's the TS when we put the job to TiKV queue.
 	StartTS uint64 `json:"start_ts"`
diff --git a/model/model.go b/model/model.go
index 6fbde0c03..962a38690 100644
--- a/model/model.go
+++ b/model/model.go
@@ -42,7 +42,7 @@ const (
 	StateDeleteReorganization
 	// StatePublic means this schema element is ok for all write and read operations.
 	StatePublic
-	// StateReplica means we're waiting tiflash replica to be finished.
+	// StateReplicaOnly means we're waiting tiflash replica to be finished.
 	StateReplicaOnly
 	// StateGlobalTxnOnly means we can only use global txn for operator on this schema element
 	StateGlobalTxnOnly
@@ -69,7 +69,7 @@ func (s SchemaState) String() string {
 	case StateGlobalTxnOnly:
 		return "global txn only"
 	default:
-		return "none"
+		return "queueing"
 	}
 }
 
@@ -134,7 +134,7 @@ func (c *ColumnInfo) IsGenerated() bool {
 	return len(c.GeneratedExprString) != 0
 }
 
-// SetOriginalDefaultValue sets the origin default value.
+// SetOriginDefaultValue sets the origin default value.
 // For mysql.TypeBit type, the default value storage format must be a string.
 // Other value such as int must convert to string format first.
 // The mysql.TypeBit type supports the null default value.
@@ -153,7 +153,7 @@ func (c *ColumnInfo) SetOriginDefaultValue(value interface{}) error {
 	return nil
 }
 
-// GetOriginalDefaultValue gets the origin default value.
+// GetOriginDefaultValue gets the origin default value.
 func (c *ColumnInfo) GetOriginDefaultValue() interface{} {
 	if c.Tp == mysql.TypeBit && c.OriginDefaultValueBit != nil {
 		// If the column type is BIT, both `OriginDefaultValue` and `DefaultValue` of ColumnInfo are corrupted,
@@ -220,7 +220,7 @@ func FindColumnInfo(cols []*ColumnInfo, name string) *ColumnInfo {
 // for use of execution phase.
 const ExtraHandleID = -1
 
-// ExtraPartitionID is the column ID of column which store the partitionID decoded in global index values.
+// ExtraPidColID is the column ID of column which store the partitionID decoded in global index values.
 const ExtraPidColID = -2
 
 const (
@@ -642,7 +642,7 @@ func (t *TableInfo) IsBaseTable() bool {
 	return t.Sequence == nil && t.View == nil
 }
 
-// ViewAlgorithm is VIEW's SQL AlGORITHM characteristic.
+// ViewAlgorithm is VIEW's SQL ALGORITHM characteristic.
 // See https://dev.mysql.com/doc/refman/5.7/en/view-algorithms.html
 type ViewAlgorithm int
 
diff --git a/model/model_test.go b/model/model_test.go
index 870d5f49a..4d00983aa 100644
--- a/model/model_test.go
+++ b/model/model_test.go
@@ -152,7 +152,7 @@ func (*testModelSuite) TestJobStartTime(c *C) {
 	}
 	t := time.Unix(0, 0)
 	c.Assert(t, Equals, TSConvert2Time(job.StartTS))
-	c.Assert(job.String(), Equals, fmt.Sprintf("ID:123, Type:none, State:none, SchemaState:none, SchemaID:0, TableID:0, RowCount:0, ArgLen:0, start time: %s, Err:<nil>, ErrCount:0, SnapshotVersion:0", t))
+	c.Assert(job.String(), Equals, fmt.Sprintf("ID:123, Type:none, State:none, SchemaState:queueing, SchemaID:0, TableID:0, RowCount:0, ArgLen:0, start time: %s, Err:<nil>, ErrCount:0, SnapshotVersion:0", t))
 }
 
 func (*testModelSuite) TestJobCodec(c *C) {