diff --git a/charts/tidb-operator/templates/controller-manager-deployment.yaml b/charts/tidb-operator/templates/controller-manager-deployment.yaml
index aa5e7a72d19..b848b89c22a 100644
--- a/charts/tidb-operator/templates/controller-manager-deployment.yaml
+++ b/charts/tidb-operator/templates/controller-manager-deployment.yaml
@@ -35,7 +35,7 @@ spec:
           - /usr/local/bin/tidb-controller-manager
           - -default-storage-class-name={{ .Values.defaultStorageClassName }}
           - -cluster-scoped={{ .Values.clusterScoped }}
-          - -auto-failover={{ .Values.controllerManager.autoFailover | default false }}
+          - -auto-failover={{ .Values.controllerManager.autoFailover | default true }}
           - -pd-failover-period={{ .Values.controllerManager.pdFailoverPeriod | default "5m" }}
           - -tikv-failover-period={{ .Values.controllerManager.tikvFailoverPeriod | default "5m" }}
           - -tidb-failover-period={{ .Values.controllerManager.tidbFailoverPeriod | default "5m" }}
diff --git a/charts/tidb-operator/values.yaml b/charts/tidb-operator/values.yaml
index 17790363c9f..becca8cb334 100644
--- a/charts/tidb-operator/values.yaml
+++ b/charts/tidb-operator/values.yaml
@@ -29,7 +29,7 @@ controllerManager:
       cpu: 80m
       memory: 50Mi
   # autoFailover is whether tidb-operator should auto failover when failure occurs
-  autoFailover: false
+  autoFailover: true
   # pd failover period default(5m)
   pdFailoverPeriod: 5m
   # tikv failover period default(5m)
diff --git a/cmd/controller-manager/main.go b/cmd/controller-manager/main.go
index df81c20e32f..baedda07936 100644
--- a/cmd/controller-manager/main.go
+++ b/cmd/controller-manager/main.go
@@ -58,7 +58,7 @@ func init() {
 	flag.IntVar(&workers, "workers", 5, "The number of workers that are allowed to sync concurrently. Larger number = more responsive management, but more CPU (and network) load")
 	flag.BoolVar(&controller.ClusterScoped, "cluster-scoped", true, "Whether tidb-operator should manage kubernetes cluster wide TiDB Clusters")
 	flag.StringVar(&controller.DefaultStorageClassName, "default-storage-class-name", "standard", "Default storage class name")
-	flag.BoolVar(&autoFailover, "auto-failover", false, "Auto failover")
+	flag.BoolVar(&autoFailover, "auto-failover", true, "Auto failover")
 	flag.DurationVar(&pdFailoverPeriod, "pd-failover-period", time.Duration(5*time.Minute), "PD failover period default(5m)")
 	flag.DurationVar(&tikvFailoverPeriod, "tikv-failover-period", time.Duration(5*time.Minute), "TiKV failover period default(5m)")
 	flag.DurationVar(&tidbFailoverPeriod, "tidb-failover-period", time.Duration(5*time.Minute), "TiDB failover period")
diff --git a/images/tidb-operator-e2e/tidb-operator-values.yaml b/images/tidb-operator-e2e/tidb-operator-values.yaml
index e6789ad4ee7..2d7f0b61676 100644
--- a/images/tidb-operator-e2e/tidb-operator-values.yaml
+++ b/images/tidb-operator-e2e/tidb-operator-values.yaml
@@ -29,7 +29,7 @@ controllerManager:
       cpu: 80m
       memory: 50Mi
   # autoFailover is whether tidb-operator should auto failover when failure occurs
-  autoFailover: false
+  autoFailover: true
   # pd failover period default(5m)
   pdFailoverPeriod: 5m
   # tidb failover period default(5m)