diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/mysql/pt_table_checksum.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/mysql/pt_table_checksum.go
index e9293b7664..20539d8fbd 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/mysql/pt_table_checksum.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/mysql/pt_table_checksum.go
@@ -131,7 +131,7 @@ func (c *PtTableChecksumComp) GenerateConfigFile() (err error) {
 		c.Params.BkBizId, c.Params.ClusterId, c.Params.MasterPort,
 		c.Params.InnerRole, "", c.Params.ImmuteDomain, c.Params.MasterIp,
 		c.GeneralParam.RuntimeAccountParam.MonitorUser, c.GeneralParam.RuntimeAccountParam.MonitorPwd,
-		"http://127.0.0.1:9999", logDir, c.tools)
+		"http://127.0.0.1:9999", logDir, c.Params.RuntimeHour, c.tools)
 
 	cfg.PtChecksum.Replicate = c.Params.ReplicateTable
 
diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/init.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/init.go
index fee7bd60d7..30507ee9aa 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/init.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/init.go
@@ -48,6 +48,7 @@ type instanceInfo struct {
 func NewRuntimeConfig(
 	bkBizId, clusterId, port int,
 	role, schedule, immuteDomain, ip, user, password, apiUrl, logDir string,
+	runtimeHour int,
 	tl *tools.ToolSet) *config.Config {
 	cfg := config.Config{
 		BkBizId: bkBizId,
@@ -71,7 +72,7 @@ func NewRuntimeConfig(
 			Args: []map[string]interface{}{
 				{
 					"name":  "run-time",
-					"value": "2h",
+					"value": fmt.Sprintf("%dh", runtimeHour),
 				},
 			},
 			Replicate: fmt.Sprintf("%s.checksum", native.INFODBA_SCHEMA),
diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/runtime_config.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/runtime_config.go
index 5e3775408c..927a180bfb 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/runtime_config.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/peripheraltools/checksum/runtime_config.go
@@ -35,7 +35,7 @@ func generateRuntimeConfigIns(mcp *MySQLChecksumParam, instance *instanceInfo, r
 	cfg := NewRuntimeConfig(
 		instance.BkBizId, instance.ClusterId, instance.Port,
 		instance.Role, instance.Schedule, instance.ImmuteDomain, instance.Ip,
-		rtap.MonitorUser, rtap.MonitorPwd, mcp.ApiUrl, logDir, tl)
+		rtap.MonitorUser, rtap.MonitorPwd, mcp.ApiUrl, logDir, 2, tl)
 	cfg.SetFilter(nil, ignoreDbs, nil, nil)
 
 	b, err := yaml.Marshal(&cfg)