diff --git a/pkg/gateway/backup/handler/grpc/handler.go b/pkg/gateway/backup/handler/grpc/handler.go
index 8f86ce8c2b7..f9bb6930ee5 100644
--- a/pkg/gateway/backup/handler/grpc/handler.go
+++ b/pkg/gateway/backup/handler/grpc/handler.go
@@ -411,7 +411,11 @@ func (s *server) Insert(ctx context.Context, req *payload.Insert_Request) (loc *
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+		}
 	}
 
 	loc, err = s.gateway.Insert(ctx, req, s.copts...)
@@ -587,7 +591,11 @@ func (s *server) MultiInsert(ctx context.Context, reqs *payload.Insert_MultiRequ
 				}
 				return nil, err
 			}
-			reqs.Requests[i].Config.SkipStrictExistCheck = true
+			if reqs.Requests[i] != nil {
+				reqs.Requests[i].Config.SkipStrictExistCheck = true
+			} else {
+				reqs.Requests[i].Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+			}
 		}
 		ids = append(ids, uuid)
 	}
@@ -726,7 +734,11 @@ func (s *server) Update(ctx context.Context, req *payload.Update_Request) (res *
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Update_Config{SkipStrictExistCheck: true}
+		}
 	}
 
 	res, err = s.Remove(ctx, &payload.Remove_Request{
@@ -895,7 +907,11 @@ func (s *server) MultiUpdate(ctx context.Context, reqs *payload.Update_MultiRequ
 				}
 				return nil, err
 			}
-			vec.Config.SkipStrictExistCheck = true
+			if vec.Config != nil {
+				vec.Config.SkipStrictExistCheck = true
+			} else {
+				vec.Config = &payload.Update_Config{SkipStrictExistCheck: true}
+			}
 		}
 		ids = append(ids, vec.GetVector().GetId())
 		ireqs = append(ireqs, &payload.Insert_Request{
@@ -1251,7 +1267,11 @@ func (s *server) Remove(ctx context.Context, req *payload.Remove_Request) (loc *
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Remove_Config{SkipStrictExistCheck: true}
+		}
 	}
 
 	loc, err = s.gateway.Remove(ctx, req, s.copts...)
diff --git a/pkg/gateway/filter/handler/grpc/handler.go b/pkg/gateway/filter/handler/grpc/handler.go
index 8c278e898b5..224f4bf1e4e 100644
--- a/pkg/gateway/filter/handler/grpc/handler.go
+++ b/pkg/gateway/filter/handler/grpc/handler.go
@@ -795,7 +795,11 @@ func (s *server) Insert(ctx context.Context, req *payload.Insert_Request) (loc *
 			}
 			return nil, status.WrapWithAlreadyExists(fmt.Sprintf("Insert API ID %s already exists", vec.GetId()), err, info.Get())
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+		}
 	}
 	targets := req.GetConfig().GetFilters().GetTargets()
 	if len(targets) == 0 && len(s.InsertFilters) == 0 {
@@ -932,7 +936,11 @@ func (s *server) Update(ctx context.Context, req *payload.Update_Request) (loc *
 			}
 			return nil, status.WrapWithAlreadyExists(fmt.Sprintf("Update API ID %s already exists", vec.GetId()), err, info.Get())
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Update_Config{SkipStrictExistCheck: true}
+		}
 	}
 	targets := req.GetConfig().GetFilters().GetTargets()
 	if len(targets) == 0 && len(s.UpdateFilters) == 0 {
@@ -1069,7 +1077,11 @@ func (s *server) Upsert(ctx context.Context, req *payload.Upsert_Request) (loc *
 			}
 			return nil, status.WrapWithAlreadyExists(fmt.Sprintf("Upsert API ID %s already exists", vec.GetId()), err, info.Get())
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Upsert_Config{SkipStrictExistCheck: true}
+		}
 	}
 	targets := req.GetConfig().GetFilters().GetTargets()
 	if len(targets) == 0 && len(s.UpsertFilters) == 0 {
diff --git a/pkg/gateway/lb/handler/grpc/handler.go b/pkg/gateway/lb/handler/grpc/handler.go
index eadb86e28d5..e71a6d7be85 100644
--- a/pkg/gateway/lb/handler/grpc/handler.go
+++ b/pkg/gateway/lb/handler/grpc/handler.go
@@ -762,7 +762,11 @@ func (s *server) Insert(ctx context.Context, req *payload.Insert_Request) (ce *p
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+		}
 	}
 
 	mu := new(sync.Mutex)
@@ -923,7 +927,11 @@ func (s *server) MultiInsert(ctx context.Context, reqs *payload.Insert_MultiRequ
 				}
 				return nil, err
 			}
-			reqs.Requests[i].Config.SkipStrictExistCheck = true
+			if reqs.Requests[i] != nil {
+				reqs.Requests[i].Config.SkipStrictExistCheck = true
+			} else {
+				reqs.Requests[i].Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+			}
 		}
 		ids = append(ids, uuid)
 	}
@@ -1041,7 +1049,11 @@ func (s *server) Update(ctx context.Context, req *payload.Update_Request) (res *
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Update_Config{SkipStrictExistCheck: true}
+		}
 	}
 
 	res, err = s.Remove(ctx, &payload.Remove_Request{
@@ -1209,7 +1221,11 @@ func (s *server) MultiUpdate(ctx context.Context, reqs *payload.Update_MultiRequ
 				}
 				return nil, err
 			}
-			vec.Config.SkipStrictExistCheck = true
+			if vec.Config != nil {
+				vec.Config.SkipStrictExistCheck = true
+			} else {
+				vec.Config = &payload.Update_Config{SkipStrictExistCheck: true}
+			}
 		}
 		ids = append(ids, vec.GetVector().GetId())
 		ireqs = append(ireqs, &payload.Insert_Request{
@@ -1561,7 +1577,11 @@ func (s *server) Remove(ctx context.Context, req *payload.Remove_Request) (locs
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Remove_Config{SkipStrictExistCheck: true}
+		}
 	}
 	var mu sync.Mutex
 	locs = &payload.Object_Location{
diff --git a/pkg/gateway/meta/handler/grpc/handler.go b/pkg/gateway/meta/handler/grpc/handler.go
index e68d097c599..69413d6b282 100644
--- a/pkg/gateway/meta/handler/grpc/handler.go
+++ b/pkg/gateway/meta/handler/grpc/handler.go
@@ -567,7 +567,11 @@ func (s *server) Insert(ctx context.Context, req *payload.Insert_Request) (loc *
 			}
 			return nil, err
 		}
-		req.Config.SkipStrictExistCheck = true
+		if req.Config != nil {
+			req.Config.SkipStrictExistCheck = true
+		} else {
+			req.Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+		}
 	}
 	uuid := fuid.String()
 	req.Vector.Id = uuid
@@ -756,7 +760,11 @@ func (s *server) MultiInsert(ctx context.Context, reqs *payload.Insert_MultiRequ
 				}
 				return nil, err
 			}
-			reqs.Requests[i].Config.SkipStrictExistCheck = true
+			if reqs.Requests[i] != nil {
+				reqs.Requests[i].Config.SkipStrictExistCheck = true
+			} else {
+				reqs.Requests[i].Config = &payload.Insert_Config{SkipStrictExistCheck: true}
+			}
 		}
 
 		uuid := fuid.String()