diff --git a/controllers/cidr_handler.go b/controllers/cidr_handler.go
index 7a26c65c..c64e8275 100644
--- a/controllers/cidr_handler.go
+++ b/controllers/cidr_handler.go
@@ -201,7 +201,9 @@ func (h *CIDRHandler) DeleteCIDR(cidr multinicv1.CIDR) error {
 	}
 	instance, err := h.GetCIDR(name)
 	if err == nil {
-		err = h.Client.Delete(context.Background(), instance)
+		ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+		defer cancel()
+		err = h.Client.Delete(ctx, instance)
 	}
 	if err != nil {
 		errorMsg = errorMsg + fmt.Sprintf("%v,", err)
@@ -525,14 +527,18 @@ func (h *CIDRHandler) updateCIDR(cidrSpec multinicv1.CIDRSpec, new bool) (bool,
 		if err == nil {
 			updatedCIDR := existCIDR.DeepCopy()
 			updatedCIDR.Spec = spec
-			err = h.Client.Update(context.TODO(), updatedCIDR)
+			ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+			defer cancel()
+			err = h.Client.Update(ctx, updatedCIDR)
 			if err == nil {
 				h.SafeCache.SetCache(def.Name, updatedCIDR.Spec)
 			}
 			h.CleanPendingIPPools(ippoolSnapshot, def.Name, updatedCIDR.Spec)
 		} else {
 			if new {
-				err = h.Client.Create(context.TODO(), mapObj)
+				ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+				defer cancel()
+				err = h.Client.Create(ctx, mapObj)
 				if err == nil {
 					h.SafeCache.SetCache(def.Name, mapObj.Spec)
 				}
diff --git a/controllers/hostinterface_handler.go b/controllers/hostinterface_handler.go
index 4ba81a21..18cf2570 100644
--- a/controllers/hostinterface_handler.go
+++ b/controllers/hostinterface_handler.go
@@ -61,7 +61,9 @@ func (h *HostInterfaceHandler) initHostInterface(hostName string, interfaces []m
 // CreateHostInterface creates new HostInterface from an interface list get from daemon pods
 func (h *HostInterfaceHandler) CreateHostInterface(hostName string, interfaces []multinicv1.InterfaceInfoType) error {
 	newHif := h.initHostInterface(hostName, interfaces)
-	return h.Client.Create(context.TODO(), newHif)
+	ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+	defer cancel()
+	return h.Client.Create(ctx, newHif)
 }
 
 // UpdateHostInterface updates HostInterface
@@ -73,7 +75,9 @@ func (h *HostInterfaceHandler) UpdateHostInterface(oldObj multinicv1.HostInterfa
 			Interfaces: interfaces,
 		},
 	}
-	return updateHif, h.Client.Update(context.TODO(), updateHif)
+	ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+	defer cancel()
+	return updateHif, h.Client.Update(ctx, updateHif)
 }
 
 // GetHostInterface gets HostInterface from hostname
@@ -83,7 +87,9 @@ func (h *HostInterfaceHandler) GetHostInterface(name string) (*multinicv1.HostIn
 		Name:      name,
 		Namespace: metav1.NamespaceAll,
 	}
-	err := h.Client.Get(context.TODO(), namespacedName, instance)
+	ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+	defer cancel()
+	err := h.Client.Get(ctx, namespacedName, instance)
 	return instance, err
 }
 
@@ -107,7 +113,9 @@ func (h *HostInterfaceHandler) ListHostInterface() (map[string]multinicv1.HostIn
 func (h *HostInterfaceHandler) DeleteHostInterface(name string) error {
 	instance, err := h.GetHostInterface(name)
 	if err == nil {
-		err = h.Client.Delete(context.TODO(), instance)
+		ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+		defer cancel()
+		err = h.Client.Delete(ctx, instance)
 	}
 	return err
 }
diff --git a/controllers/ippool_handler.go b/controllers/ippool_handler.go
index bc61ef3d..3d9ed3df 100644
--- a/controllers/ippool_handler.go
+++ b/controllers/ippool_handler.go
@@ -69,7 +69,9 @@ func (h *IPPoolHandler) DeleteIPPool(netAttachDef string, podCIDR string) error
 	name := h.GetIPPoolName(netAttachDef, podCIDR)
 	instance, err := h.GetIPPool(name)
 	if err == nil {
-		err = h.Client.Delete(context.TODO(), instance)
+		ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+		defer cancel()
+		err = h.Client.Delete(ctx, instance)
 	}
 	return err
 }
@@ -132,7 +134,9 @@ func (h *IPPoolHandler) UpdateIPPool(netAttachDef string, podCIDR string, vlanCI
 		ippool.Spec = spec
 		ippool.Spec.Allocations = prevSpec.Allocations
 		ippool.ObjectMeta.Labels = labels
-		err = h.Client.Update(context.TODO(), ippool)
+		ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+		defer cancel()
+		err = h.Client.Update(ctx, ippool)
 		if !reflect.DeepEqual(prevSpec.Excludes, excludesInterface) {
 			// report if allocated ip addresses have conflicts with the new IPPool (for example, in exclude list)
 			invalidAllocations := h.checkPoolValidity(excludesInterface, prevSpec.Allocations)
@@ -154,7 +158,9 @@ func (h *IPPoolHandler) UpdateIPPool(netAttachDef string, podCIDR string, vlanCI
 			},
 			Spec: spec,
 		}
-		err = h.Client.Create(context.Background(), newIPPool)
+		ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+		defer cancel()
+		err = h.Client.Create(ctx, newIPPool)
 		vars.IPPoolLog.V(5).Info(fmt.Sprintf("New IPPool %s: %v, %v", ippoolName, newIPPool, err))
 	}
 	return err
@@ -192,7 +198,9 @@ func (h *IPPoolHandler) PatchIPPoolAllocations(ippoolName string, newAllocations
 	}
 	patch := client.MergeFrom(ippool.DeepCopy())
 	ippool.Spec.Allocations = newAllocations
-	return h.Client.Patch(context.Background(), ippool, patch)
+	ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+	defer cancel()
+	return h.Client.Patch(ctx, ippool, patch)
 }
 
 func (h *IPPoolHandler) UpdateIPPools(defName string, entries []multinicv1.CIDREntry, excludes []compute.IPValue) {
@@ -234,6 +242,8 @@ func (h *IPPoolHandler) AddLabel(ippool *multinicv1.IPPool) error {
 	labels := map[string]string{vars.HostNameLabel: hostName, vars.DefNameLabel: netAttachDef}
 	patch := client.MergeFrom(ippool.DeepCopy())
 	ippool.ObjectMeta.Labels = labels
-	err := h.Client.Patch(context.Background(), ippool, patch)
+	ctx, cancel := context.WithTimeout(context.Background(), vars.ContextTimeout)
+	defer cancel()
+	err := h.Client.Patch(ctx, ippool, patch)
 	return err
 }