diff --git a/errors.toml b/errors.toml
index 4777112b5b3..b6199698ec5 100644
--- a/errors.toml
+++ b/errors.toml
@@ -1,7 +1,7 @@
 # AUTOGENERATED BY github.com/pingcap/errors/errdoc-gen
 # YOU CAN CHANGE THE 'description'/'workaround' FIELDS IF THEM ARE IMPROPER.
 
-["ErrLoadKeyspaceGroupsRetryExhaustd"]
+["ErrLoadKeyspaceGroupsRetryExhausted"]
 error = '''
 load keyspace groups retry exhausted, %s
 '''
diff --git a/pkg/errs/errno.go b/pkg/errs/errno.go
index 827ea513ee6..3a756e8000d 100644
--- a/pkg/errs/errno.go
+++ b/pkg/errs/errno.go
@@ -39,20 +39,20 @@ var (
 
 // tso errors
 var (
-	ErrSetLocalTSOConfig               = errors.Normalize("set local tso config failed, %s", errors.RFCCodeText("PD:tso:ErrSetLocalTSOConfig"))
-	ErrGetAllocator                    = errors.Normalize("get allocator failed, %s", errors.RFCCodeText("PD:tso:ErrGetAllocator"))
-	ErrGetLocalAllocator               = errors.Normalize("get local allocator failed, %s", errors.RFCCodeText("PD:tso:ErrGetLocalAllocator"))
-	ErrSyncMaxTS                       = errors.Normalize("sync max ts failed, %s", errors.RFCCodeText("PD:tso:ErrSyncMaxTS"))
-	ErrResetUserTimestamp              = errors.Normalize("reset user timestamp failed, %s", errors.RFCCodeText("PD:tso:ErrResetUserTimestamp"))
-	ErrGenerateTimestamp               = errors.Normalize("generate timestamp failed, %s", errors.RFCCodeText("PD:tso:ErrGenerateTimestamp"))
-	ErrLogicOverflow                   = errors.Normalize("logic part overflow", errors.RFCCodeText("PD:tso:ErrLogicOverflow"))
-	ErrProxyTSOTimeout                 = errors.Normalize("proxy tso timeout", errors.RFCCodeText("PD:tso:ErrProxyTSOTimeout"))
-	ErrKeyspaceGroupIDInvalid          = errors.Normalize("the keyspace group id is invalid, %s", errors.RFCCodeText("PD:tso:ErrKeyspaceGroupIDInvalid"))
-	ErrGetAllocatorManager             = errors.Normalize("get allocator manager failed, %s", errors.RFCCodeText("PD:tso:ErrGetAllocatorManager"))
-	ErrLoadKeyspaceGroupsTimeout       = errors.Normalize("load keyspace groups timeout", errors.RFCCodeText("ErrLoadKeyspaceGroupsTimeout"))
-	ErrLoadKeyspaceGroupsTerminated    = errors.Normalize("load keyspace groups terminated", errors.RFCCodeText("ErrLoadKeyspaceGroupsTerminated"))
-	ErrLoadKeyspaceGroupsRetryExhaustd = errors.Normalize("load keyspace groups retry exhausted, %s", errors.RFCCodeText("ErrLoadKeyspaceGroupsRetryExhaustd"))
-	ErrKeyspaceNotAssigned             = errors.Normalize("the keyspace %d isn't assigned to any keyspace group", errors.RFCCodeText("PD:tso:ErrKeyspaceNotAssigned"))
+	ErrSetLocalTSOConfig                = errors.Normalize("set local tso config failed, %s", errors.RFCCodeText("PD:tso:ErrSetLocalTSOConfig"))
+	ErrGetAllocator                     = errors.Normalize("get allocator failed, %s", errors.RFCCodeText("PD:tso:ErrGetAllocator"))
+	ErrGetLocalAllocator                = errors.Normalize("get local allocator failed, %s", errors.RFCCodeText("PD:tso:ErrGetLocalAllocator"))
+	ErrSyncMaxTS                        = errors.Normalize("sync max ts failed, %s", errors.RFCCodeText("PD:tso:ErrSyncMaxTS"))
+	ErrResetUserTimestamp               = errors.Normalize("reset user timestamp failed, %s", errors.RFCCodeText("PD:tso:ErrResetUserTimestamp"))
+	ErrGenerateTimestamp                = errors.Normalize("generate timestamp failed, %s", errors.RFCCodeText("PD:tso:ErrGenerateTimestamp"))
+	ErrLogicOverflow                    = errors.Normalize("logic part overflow", errors.RFCCodeText("PD:tso:ErrLogicOverflow"))
+	ErrProxyTSOTimeout                  = errors.Normalize("proxy tso timeout", errors.RFCCodeText("PD:tso:ErrProxyTSOTimeout"))
+	ErrKeyspaceGroupIDInvalid           = errors.Normalize("the keyspace group id is invalid, %s", errors.RFCCodeText("PD:tso:ErrKeyspaceGroupIDInvalid"))
+	ErrGetAllocatorManager              = errors.Normalize("get allocator manager failed, %s", errors.RFCCodeText("PD:tso:ErrGetAllocatorManager"))
+	ErrLoadKeyspaceGroupsTimeout        = errors.Normalize("load keyspace groups timeout", errors.RFCCodeText("ErrLoadKeyspaceGroupsTimeout"))
+	ErrLoadKeyspaceGroupsTerminated     = errors.Normalize("load keyspace groups terminated", errors.RFCCodeText("ErrLoadKeyspaceGroupsTerminated"))
+	ErrLoadKeyspaceGroupsRetryExhausted = errors.Normalize("load keyspace groups retry exhausted, %s", errors.RFCCodeText("ErrLoadKeyspaceGroupsRetryExhausted"))
+	ErrKeyspaceNotAssigned              = errors.Normalize("the keyspace %d isn't assigned to any keyspace group", errors.RFCCodeText("PD:tso:ErrKeyspaceNotAssigned"))
 )
 
 // member errors
diff --git a/pkg/keyspace/keyspace.go b/pkg/keyspace/keyspace.go
index d3383a7cebf..6c052ad47dd 100644
--- a/pkg/keyspace/keyspace.go
+++ b/pkg/keyspace/keyspace.go
@@ -110,7 +110,7 @@ func (manager *Manager) Bootstrap() error {
 		return err
 	}
 	now := time.Now().Unix()
-	defaultKeyspaceMata := &keyspacepb.KeyspaceMeta{
+	defaultKeyspaceMeta := &keyspacepb.KeyspaceMeta{
 		Id:             DefaultKeyspaceID,
 		Name:           DefaultKeyspaceName,
 		State:          keyspacepb.KeyspaceState_ENABLED,
@@ -122,14 +122,14 @@ func (manager *Manager) Bootstrap() error {
 	if err != nil {
 		return err
 	}
-	defaultKeyspaceMata.Config = config
-	err = manager.saveNewKeyspace(defaultKeyspaceMata)
+	defaultKeyspaceMeta.Config = config
+	err = manager.saveNewKeyspace(defaultKeyspaceMeta)
 	// It's possible that default keyspace already exists in the storage (e.g. PD restart/recover),
 	// so we ignore the keyspaceExists error.
 	if err != nil && err != ErrKeyspaceExists {
 		return err
 	}
-	if err := manager.kgm.UpdateKeyspaceForGroup(endpoint.Basic, config[TSOKeyspaceGroupIDKey], defaultKeyspaceMata.GetId(), opAdd); err != nil {
+	if err := manager.kgm.UpdateKeyspaceForGroup(endpoint.Basic, config[TSOKeyspaceGroupIDKey], defaultKeyspaceMeta.GetId(), opAdd); err != nil {
 		return err
 	}
 	// Initialize pre-alloc keyspace.
diff --git a/pkg/tso/keyspace_group_manager.go b/pkg/tso/keyspace_group_manager.go
index 57643b64ecc..506b36dff58 100644
--- a/pkg/tso/keyspace_group_manager.go
+++ b/pkg/tso/keyspace_group_manager.go
@@ -247,7 +247,7 @@ func (kgm *KeyspaceGroupManager) Initialize() error {
 	// Initialize the default keyspace group if it isn't configured in the storage.
 	if !defaultKGConfigured {
 		keyspaces := []uint32{mcsutils.DefaultKeyspaceID}
-		kgm.initDefaultKeysapceGroup(keyspaces)
+		kgm.initDefaultKeyspaceGroup(keyspaces)
 	}
 
 	// Watch/apply keyspace group membership/distribution meta changes dynamically.
@@ -287,7 +287,7 @@ func (kgm *KeyspaceGroupManager) checkInitProgress(ctx context.Context, cancel c
 	<-done
 }
 
-func (kgm *KeyspaceGroupManager) initDefaultKeysapceGroup(keyspaces []uint32) {
+func (kgm *KeyspaceGroupManager) initDefaultKeyspaceGroup(keyspaces []uint32) {
 	log.Info("initializing default keyspace group",
 		zap.Int("keyspaces-length", len(keyspaces)))
 
@@ -353,7 +353,7 @@ func (kgm *KeyspaceGroupManager) initAssignment(
 // If limit is 0, it will load all keyspace groups from the start ID.
 func (kgm *KeyspaceGroupManager) loadKeyspaceGroups(
 	ctx context.Context, startID uint32, limit int64,
-) (revison int64, ksgs []*endpoint.KeyspaceGroup, more bool, err error) {
+) (revision int64, ksgs []*endpoint.KeyspaceGroup, more bool, err error) {
 	rootPath := kgm.legacySvcRootPath
 	startKey := strings.Join([]string{rootPath, endpoint.KeyspaceGroupIDPath(startID)}, "/")
 	endKey := strings.Join(
@@ -392,7 +392,7 @@ func (kgm *KeyspaceGroupManager) loadKeyspaceGroups(
 	}
 
 	if i == kgm.loadFromEtcdMaxRetryTimes {
-		return 0, []*endpoint.KeyspaceGroup{}, false, errs.ErrLoadKeyspaceGroupsRetryExhaustd.FastGenByArgs(err)
+		return 0, []*endpoint.KeyspaceGroup{}, false, errs.ErrLoadKeyspaceGroupsRetryExhausted.FastGenByArgs(err)
 	}
 
 	kgs := make([]*endpoint.KeyspaceGroup, 0, len(resp.Kvs))
@@ -405,10 +405,10 @@ func (kgm *KeyspaceGroupManager) loadKeyspaceGroups(
 	}
 
 	if resp.Header != nil {
-		revison = resp.Header.Revision
+		revision = resp.Header.Revision
 	}
 
-	return revison, kgs, resp.More, nil
+	return revision, kgs, resp.More, nil
 }
 
 // startKeyspaceGroupsMetaWatchLoop Repeatedly watches any change in keyspace group membership/distribution
@@ -473,7 +473,7 @@ func (kgm *KeyspaceGroupManager) watchKeyspaceGroupsMetaChange(revision int64) (
 					group := &endpoint.KeyspaceGroup{}
 					if err := json.Unmarshal(event.Kv.Value, group); err != nil {
 						log.Warn("failed to unmarshal keyspace group",
-							zap.Uint32("keysapce-group-id", groupID),
+							zap.Uint32("keyspace-group-id", groupID),
 							zap.Error(errs.ErrJSONUnmarshal.Wrap(err).FastGenWithCause()))
 					}
 					kgm.updateKeyspaceGroup(group)
@@ -483,7 +483,7 @@ func (kgm *KeyspaceGroupManager) watchKeyspaceGroupsMetaChange(revision int64) (
 						kgm.deleteKeyspaceGroup(groupID)
 						log.Warn("removed default keyspace group meta config from the storage. " +
 							"now every tso node/pod will initialize it")
-						kgm.initDefaultKeysapceGroup(keyspaces)
+						kgm.initDefaultKeyspaceGroup(keyspaces)
 					} else {
 						kgm.deleteKeyspaceGroup(groupID)
 					}
diff --git a/pkg/tso/tso.go b/pkg/tso/tso.go
index d7bdf95ff65..523370cd677 100644
--- a/pkg/tso/tso.go
+++ b/pkg/tso/tso.go
@@ -168,7 +168,7 @@ func (t *timestampOracle) SyncTimestamp(leadership *election.Leadership) error {
 	// If the current system time minus the saved etcd timestamp is less than `UpdateTimestampGuard`,
 	// the timestamp allocation will start from the saved etcd timestamp temporarily.
 	if typeutil.SubRealTimeByWallClock(next, last) < UpdateTimestampGuard {
-		log.Error("system time may be incorrect",
+		log.Warn("system time may be incorrect",
 			zap.Time("last", last), zap.Time("next", next), errs.ZapError(errs.ErrIncorrectSystemTime))
 		next = last.Add(UpdateTimestampGuard)
 	}