diff --git a/src/models/mon_stra.go b/src/models/mon_stra.go
index a5cd4c23..2de71bb6 100644
--- a/src/models/mon_stra.go
+++ b/src/models/mon_stra.go
@@ -192,6 +192,20 @@ func StraGet(col string, val interface{}) (*Stra, error) {
 	return &obj, nil
 }
 
+func StraFindOne(where string, args ...interface{}) (*Stra, error) {
+	var obj Stra
+	has, err := DB["mon"].Where(where, args...).Get(&obj)
+	if err != nil {
+		return nil, err
+	}
+
+	if !has {
+		return nil, nil
+	}
+
+	return &obj, nil
+}
+
 func StraDel(id int64) error {
 	session := DB["mon"].NewSession()
 	defer session.Close()
diff --git a/src/modules/monapi/http/router_stra.go b/src/modules/monapi/http/router_stra.go
index 421db0a2..784125b9 100644
--- a/src/modules/monapi/http/router_stra.go
+++ b/src/modules/monapi/http/router_stra.go
@@ -24,8 +24,10 @@ func straPost(c *gin.Context) {
 
 	errors.Dangerous(stra.Encode())
 
-	oldStra, _ := models.StraGet("name", stra.Name)
-	if oldStra != nil && oldStra.Nid == stra.Nid {
+	old, err := models.StraFindOne("nid=? and name=?", stra.Nid, stra.Name)
+	dangerous(err)
+
+	if old != nil {
 		bomb("同节点下策略名称 %s 已存在", stra.Name)
 	}
 
@@ -54,8 +56,10 @@ func straPut(c *gin.Context) {
 	stra.LastUpdator = username
 	errors.Dangerous(stra.Encode())
 
-	oldStra, _ := models.StraGet("name", stra.Name)
-	if oldStra != nil && oldStra.Id != stra.Id && oldStra.Nid == stra.Nid {
+	old, err := models.StraFindOne("nid=? and name=? and id <> ?", stra.Nid, stra.Name, stra.Id)
+	dangerous(err)
+
+	if old != nil {
 		bomb("同节点下策略名称 %s 已存在", stra.Name)
 	}