diff --git a/dbm-services/common/go-pubpkg/errno/code.go b/dbm-services/common/go-pubpkg/errno/code.go
index 95b7407e4d..a9f7ea44b4 100644
--- a/dbm-services/common/go-pubpkg/errno/code.go
+++ b/dbm-services/common/go-pubpkg/errno/code.go
@@ -13,6 +13,8 @@ package errno
 var (
 	// OK TODO
 	OK = Errno{Code: 0, Message: "", CNMessage: ""}
+	// SimulationTaskFailed 语义检查失败
+	SimulationTaskFailed = Errno{Code: 1, Message: "simulation failed", CNMessage: "模拟执行失败"}
 
 	// InternalServerError TODO
 	InternalServerError = Errno{Code: 10001, Message: "Internal server error", CNMessage: "服务器内部错误。"}
diff --git a/dbm-services/mysql/db-simulation/handler/dbsimulation.go b/dbm-services/mysql/db-simulation/handler/dbsimulation.go
index e2bdf50777..141a0caf2a 100644
--- a/dbm-services/mysql/db-simulation/handler/dbsimulation.go
+++ b/dbm-services/mysql/db-simulation/handler/dbsimulation.go
@@ -18,6 +18,7 @@ import (
 	"github.com/gin-gonic/gin"
 
 	"dbm-services/common/go-pubpkg/cmutil"
+	"dbm-services/common/go-pubpkg/errno"
 	"dbm-services/common/go-pubpkg/logger"
 	"dbm-services/mysql/db-simulation/app/service"
 	"dbm-services/mysql/db-simulation/model"
@@ -121,7 +122,7 @@ func (s *SimulationHandler) QueryTask(c *gin.Context) {
 		switch task.Status {
 		case model.TaskFailed:
 			allSuccessful = false
-			s.SendResponse(c, fmt.Errorf("%s", task.SysErrMsg), map[string]interface{}{
+			s.SendResponse(c, errno.SimulationTaskFailed.Add(task.SysErrMsg), map[string]interface{}{
 				"simulation_version": task.MySQLVersion,
 				"stdout":             task.Stdout,
 				"stderr":             task.Stderr,
@@ -131,7 +132,7 @@ func (s *SimulationHandler) QueryTask(c *gin.Context) {
 			allSuccessful = true
 		default:
 			allSuccessful = false
-			s.SendResponse(c, fmt.Errorf("unknown transition state"), map[string]interface{}{
+			s.SendResponse(c, errno.SimulationTaskFailed.Add("unknown transition state"), map[string]interface{}{
 				"stdout": task.Stdout,
 				"stderr": task.Stderr,
 				"errmsg": fmt.Sprintf("the program has been run with abnormal status:%s", task.Status)})