diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index bcc9944f7a..f3994abb99 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -988,7 +988,7 @@ common:
     internaltlsEnabled: false
     tlsMode: 0
   session:
-    ttl: 10 # ttl value when session granting a lease to register service
+    ttl: 30 # ttl value when session granting a lease to register service
     retryTimes: 30 # retry times when session sending etcd requests
   locks:
     metrics:
diff --git a/pkg/util/paramtable/component_param.go b/pkg/util/paramtable/component_param.go
index c414da5df5..eb76c4f72a 100644
--- a/pkg/util/paramtable/component_param.go
+++ b/pkg/util/paramtable/component_param.go
@@ -47,7 +47,7 @@ const (
 	DefaultMiddlePriorityThreadCoreCoefficient = 5
 	DefaultLowPriorityThreadCoreCoefficient    = 1
 
-	DefaultSessionTTL        = 10 // s
+	DefaultSessionTTL        = 30 // s
 	DefaultSessionRetryTimes = 30
 
 	DefaultMaxDegree                = 56
@@ -846,7 +846,7 @@ Large numeric passwords require double quotes to avoid yaml parsing precision is
 	p.SessionTTL = ParamItem{
 		Key:          "common.session.ttl",
 		Version:      "2.0.0",
-		DefaultValue: "10",
+		DefaultValue: "30",
 		Doc:          "ttl value when session granting a lease to register service",
 		Export:       true,
 	}