diff --git a/backends/dameng/conditions.go b/backends/dameng/conditions.go
index 054f459..5ffc0e9 100644
--- a/backends/dameng/conditions.go
+++ b/backends/dameng/conditions.go
@@ -15,7 +15,6 @@
 package dameng
 
 import (
-	"yunion.io/x/log"
 	"yunion.io/x/sqlchemy"
 )
 
@@ -32,7 +31,7 @@ func (t *SDamengEqualsCondition) WhereClause() string {
 
 // Equals filter conditions
 func (dameng *SDamengBackend) Equals(f sqlchemy.IQueryField, v interface{}) sqlchemy.ICondition {
-	log.Debugf("field %s isFieldText: %v %#v", f.Name(), sqlchemy.IsFieldText(f), f)
+	// log.Debugf("field %s isFieldText: %v %#v", f.Name(), sqlchemy.IsFieldText(f), f)
 	if sqlchemy.IsFieldText(f) {
 		c := SDamengEqualsCondition{sqlchemy.NewTupleCondition(f, v)}
 		return &c
diff --git a/backends/dameng/dameng.go b/backends/dameng/dameng.go
index 3a86d47..6319466 100644
--- a/backends/dameng/dameng.go
+++ b/backends/dameng/dameng.go
@@ -21,6 +21,7 @@ import (
 	"reflect"
 	"strconv"
 	"strings"
+	"runtime/debug"
 
 	_ "gitee.com/chunanyong/dm"
 
@@ -95,6 +96,7 @@ func (dameng *SDamengBackend) PrepareInsertOrUpdateSQL(ts sqlchemy.ITableSpec, i
 	for _, primary := range onPrimaryCols {
 		colName := strings.Trim(primary, "'\"")
 		if _, ok := colNameMap[colName]; !ok {
+			debug.PrintStack()
 			log.Fatalf("primary colume %s missing from insert columes for table %s", colName, ts.Name())
 		}
 		onConditions = append(onConditions, fmt.Sprintf("T1.%s=T2.%s", primary, primary))