diff --git a/components/playground/main.go b/components/playground/main.go
index 8215362fed..713f6c8e33 100644
--- a/components/playground/main.go
+++ b/components/playground/main.go
@@ -414,17 +414,17 @@ func populateDefaultOpt(flagSet *pflag.FlagSet) error {
 		defaultInt(&options.PD.Num, "pd", 1)
 	case "ms":
 		defaultInt(&options.PDAPI.Num, "pd.api", 1)
-		defaultStr(&options.PDAPI.BinPath, "pd.api.binpath", options.PDAPI.BinPath)
-		defaultStr(&options.PDAPI.ConfigPath, "pd.api.config", options.PDAPI.ConfigPath)
+		defaultStr(&options.PDAPI.BinPath, "pd.api.binpath", options.PD.BinPath)
+		defaultStr(&options.PDAPI.ConfigPath, "pd.api.config", options.PD.ConfigPath)
 		defaultInt(&options.PDTSO.Num, "pd.tso", 1)
-		defaultStr(&options.PDTSO.BinPath, "pd.tso.binpath", options.PDTSO.BinPath)
-		defaultStr(&options.PDTSO.ConfigPath, "pd.tso.config", options.PDTSO.ConfigPath)
+		defaultStr(&options.PDTSO.BinPath, "pd.tso.binpath", options.PD.BinPath)
+		defaultStr(&options.PDTSO.ConfigPath, "pd.tso.config", options.PD.ConfigPath)
 		defaultInt(&options.PDScheduling.Num, "pd.scheduling", 1)
-		defaultStr(&options.PDScheduling.BinPath, "pd.scheduling.binpath", options.PDScheduling.BinPath)
-		defaultStr(&options.PDScheduling.ConfigPath, "pd.scheduling.config", options.PDScheduling.ConfigPath)
+		defaultStr(&options.PDScheduling.BinPath, "pd.scheduling.binpath", options.PD.BinPath)
+		defaultStr(&options.PDScheduling.ConfigPath, "pd.scheduling.config", options.PD.ConfigPath)
 		defaultInt(&options.PDRM.Num, "pd.rm", 1)
-		defaultStr(&options.PDRM.BinPath, "pd.rm.binpath", options.PDRM.BinPath)
-		defaultStr(&options.PDRM.ConfigPath, "pd.rm.config", options.PDRM.ConfigPath)
+		defaultStr(&options.PDRM.BinPath, "pd.rm.binpath", options.PD.BinPath)
+		defaultStr(&options.PDRM.ConfigPath, "pd.rm.config", options.PD.ConfigPath)
 	default:
 		return errors.Errorf("Unknown --pd.mode %s", options.PDMode)
 	}