diff --git a/pkg/mcs/resourcemanager/server/server.go b/pkg/mcs/resourcemanager/server/server.go
index dbc60ef9489..47248208c8a 100644
--- a/pkg/mcs/resourcemanager/server/server.go
+++ b/pkg/mcs/resourcemanager/server/server.go
@@ -387,7 +387,7 @@ func CreateServerWrapper(cmd *cobra.Command, args []string) {
 	defer log.Sync()
 
 	versioninfo.Log(serviceName)
-	log.Info("Resource manager config", zap.Reflect("config", cfg))
+	log.Info("resource manager config", zap.Reflect("config", cfg))
 
 	grpcprometheus.EnableHandlingTimeHistogram()
 	metricutil.Push(&cfg.Metric)
diff --git a/pkg/mcs/scheduling/server/server.go b/pkg/mcs/scheduling/server/server.go
index 81bff8b7f6b..32788284b70 100644
--- a/pkg/mcs/scheduling/server/server.go
+++ b/pkg/mcs/scheduling/server/server.go
@@ -540,7 +540,7 @@ func CreateServerWrapper(cmd *cobra.Command, args []string) {
 	defer log.Sync()
 
 	versioninfo.Log(serviceName)
-	log.Info("Scheduling service config", zap.Reflect("config", cfg))
+	log.Info("scheduling service config", zap.Reflect("config", cfg))
 
 	grpcprometheus.EnableHandlingTimeHistogram()
 	metricutil.Push(&cfg.Metric)
diff --git a/pkg/schedule/coordinator.go b/pkg/schedule/coordinator.go
index 8cd5567b75c..bcbef0a1a08 100644
--- a/pkg/schedule/coordinator.go
+++ b/pkg/schedule/coordinator.go
@@ -144,7 +144,7 @@ func (c *Coordinator) PatrolRegions() {
 	ticker := time.NewTicker(c.cluster.GetCheckerConfig().GetPatrolRegionInterval())
 	defer ticker.Stop()
 
-	log.Info("Coordinator starts patrol regions")
+	log.Info("coordinator starts patrol regions")
 	start := time.Now()
 	var (
 		key     []byte
@@ -252,7 +252,7 @@ func (c *Coordinator) checkPriorityRegions() {
 func (c *Coordinator) checkSuspectRanges() {
 	defer logutil.LogPanic()
 	defer c.wg.Done()
-	log.Info("Coordinator begins to check suspect key ranges")
+	log.Info("coordinator begins to check suspect key ranges")
 	ticker := time.NewTicker(checkSuspectRangesInterval)
 	defer ticker.Stop()
 	for {
@@ -316,7 +316,7 @@ func (c *Coordinator) drivePushOperator() {
 	defer logutil.LogPanic()
 
 	defer c.wg.Done()
-	log.Info("Coordinator begins to actively drive push operator")
+	log.Info("coordinator begins to actively drive push operator")
 	ticker := time.NewTicker(pushOperatorTickInterval)
 	defer ticker.Stop()
 	for {
@@ -370,10 +370,10 @@ func (c *Coordinator) driveSlowNodeScheduler() {
 func (c *Coordinator) RunUntilStop() {
 	c.Run()
 	<-c.ctx.Done()
-	log.Info("Coordinator is stopping")
+	log.Info("coordinator is stopping")
 	c.GetSchedulersController().Wait()
 	c.wg.Wait()
-	log.Info("Coordinator has been stopped")
+	log.Info("coordinator has been stopped")
 }
 
 // Run starts coordinator.
@@ -383,20 +383,20 @@ func (c *Coordinator) Run() {
 		ticker = time.NewTicker(100 * time.Millisecond)
 	})
 	defer ticker.Stop()
-	log.Info("Coordinator starts to collect cluster information")
+	log.Info("coordinator starts to collect cluster information")
 	for {
 		if c.ShouldRun() {
-			log.Info("Coordinator has finished cluster information preparation")
+			log.Info("coordinator has finished cluster information preparation")
 			break
 		}
 		select {
 		case <-ticker.C:
 		case <-c.ctx.Done():
-			log.Info("Coordinator stops running")
+			log.Info("coordinator stops running")
 			return
 		}
 	}
-	log.Info("Coordinator starts to run schedulers")
+	log.Info("coordinator starts to run schedulers")
 	c.InitSchedulers(true)
 
 	c.wg.Add(4)
diff --git a/pkg/unsaferecovery/unsafe_recovery_controller.go b/pkg/unsaferecovery/unsafe_recovery_controller.go
index 110b7277d9e..aa45ba6a2bd 100644
--- a/pkg/unsaferecovery/unsafe_recovery_controller.go
+++ b/pkg/unsaferecovery/unsafe_recovery_controller.go
@@ -465,7 +465,7 @@ func (u *Controller) CollectReport(heartbeat *pdpb.StoreHeartbeatRequest) (bool,
 	}
 
 	if heartbeat.StoreReport.GetStep() != u.step {
-		log.Info("Unsafe recovery receives invalid store report",
+		log.Info("unsafe recovery receives invalid store report",
 			zap.Uint64("store-id", storeID), zap.Uint64("expected-step", u.step), zap.Uint64("obtained-step", heartbeat.StoreReport.GetStep()))
 		// invalid store report, ignore
 		return false, nil
@@ -891,7 +891,7 @@ func (t *regionTree) insert(item *regionItem) (bool, error) {
 	}
 
 	for _, newer := range overlaps {
-		log.Info("Unsafe recovery found overlap regions", logutil.ZapRedactStringer("newer-region-meta", core.RegionToHexMeta(newer.Region())), logutil.ZapRedactStringer("older-region-meta", core.RegionToHexMeta(item.Region())))
+		log.Info("unsafe recovery found overlap regions", logutil.ZapRedactStringer("newer-region-meta", core.RegionToHexMeta(newer.Region())), logutil.ZapRedactStringer("older-region-meta", core.RegionToHexMeta(item.Region())))
 		// it's ensured by the `buildUpFromReports` that peers are inserted in epoch descending order.
 		if newer.IsEpochStale(item) {
 			return false, errors.Errorf("region %v's epoch shouldn't be staler than old ones %v", item, newer)