diff --git a/src/model/collect.go b/src/model/collect.go
index 61bb9f5c692cb989e15b01c55dfcc749c7e6d679..77e0bcb3c71523580df26e07e733e897fe45efc2 100644
--- a/src/model/collect.go
+++ b/src/model/collect.go
@@ -458,10 +458,42 @@ func GetCollectById(collectType string, cid int64) (interface{}, error) {
 	}
 }
 
-func GetCollectByName(collectType string, name string) (interface{}, error) {
-	var collect interface{}
-	_, err := DB["mon"].Table(collectType+"_collect").Where("name = ?", name).Get(&collect)
-	return collect, err
+func GetCollectByNameAndNid(collectType string, name string, nid int64) (interface{}, error) {
+	switch collectType {
+	case "port":
+		collect := new(PortCollect)
+		has, err := DB["mon"].Where("name = ? and nid = ?", name, nid).Get(collect)
+		if !has {
+			return nil, err
+		}
+		return collect, err
+	case "proc":
+		collect := new(ProcCollect)
+		has, err := DB["mon"].Where("name = ? and nid = ?", name, nid).Get(collect)
+		if !has {
+			return nil, err
+		}
+		return collect, err
+	case "log":
+		collect := new(LogCollect)
+		has, err := DB["mon"].Where("name = ? and nid = ?", name, nid).Get(collect)
+		if !has {
+			return nil, err
+		}
+		collect.Decode()
+		return collect, err
+	case "plugin":
+		collect := new(PluginCollect)
+		has, err := DB["mon"].Where("name = ? and nid = ?", name, nid).Get(collect)
+		if !has {
+			return nil, err
+		}
+		return collect, err
+
+	default:
+		return nil, fmt.Errorf("采集类型不合法")
+	}
+	return nil, nil
 }
 
 func DeleteCollectById(collectType, creator string, cid int64) error {
diff --git a/src/modules/monapi/http/routes/collect.go b/src/modules/monapi/http/routes/collect.go
index 7388920c955d9e75e145ced713050c02e55105c7..c129a90918d3ec55b5503e5e7efc0e424e2ec342 100644
--- a/src/modules/monapi/http/routes/collect.go
+++ b/src/modules/monapi/http/routes/collect.go
@@ -48,10 +48,12 @@ func collectPost(c *gin.Context) {
 			nid := collect.Nid
 			name := collect.Name
 
-			old, _ := model.GetCollectByName(obj.Type, name)
-			if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid {
+			old, err := model.GetCollectByNameAndNid(obj.Type, name, nid)
+			errors.Dangerous(err)
+			if old != nil {
 				errors.Bomb("同节点下策略名称 %s 已存在", name)
 			}
+
 			errors.Dangerous(model.CreateCollect(obj.Type, creator, collect))
 
 		case "proc":
@@ -73,8 +75,9 @@ func collectPost(c *gin.Context) {
 			nid := collect.Nid
 			name := collect.Name
 
-			old, _ := model.GetCollectByName(obj.Type, name)
-			if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid {
+			old, err := model.GetCollectByNameAndNid(obj.Type, name, nid)
+			errors.Dangerous(err)
+			if old != nil {
 				errors.Bomb("同节点下策略名称 %s 已存在", name)
 			}
 			errors.Dangerous(model.CreateCollect(obj.Type, creator, collect))
@@ -98,10 +101,12 @@ func collectPost(c *gin.Context) {
 			nid := collect.Nid
 			name := collect.Name
 
-			old, _ := model.GetCollectByName(obj.Type, name)
-			if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid {
+			old, err := model.GetCollectByNameAndNid(obj.Type, name, nid)
+			errors.Dangerous(err)
+			if old != nil {
 				errors.Bomb("同节点下策略名称 %s 已存在", name)
 			}
+
 			errors.Dangerous(model.CreateCollect(obj.Type, creator, collect))
 
 		case "plugin":
@@ -123,10 +128,12 @@ func collectPost(c *gin.Context) {
 			nid := collect.Nid
 			name := collect.Name
 
-			old, _ := model.GetCollectByName(obj.Type, name)
-			if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid {
+			old, err := model.GetCollectByNameAndNid(obj.Type, name, nid)
+			errors.Dangerous(err)
+			if old != nil {
 				errors.Bomb("同节点下策略名称 %s 已存在", name)
 			}
+
 			errors.Dangerous(model.CreateCollect(obj.Type, creator, collect))
 
 		default:
@@ -208,9 +215,9 @@ func collectPut(c *gin.Context) {
 		collect.Creator = creator
 		collect.LastUpdator = creator
 
-		old, _ := model.GetCollectByName(recv.Type, name)
-		if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid &&
-			tmpId != collect.Id {
+		old, err := model.GetCollectByNameAndNid(recv.Type, name, nid)
+		errors.Dangerous(err)
+		if old != nil && old.(*model.PortCollect).Id != tmpId {
 			errors.Bomb("同节点下策略名称 %s 已存在", name)
 		}
 
@@ -247,9 +254,9 @@ func collectPut(c *gin.Context) {
 		collect.Creator = creator
 		collect.LastUpdator = creator
 
-		old, _ := model.GetCollectByName(recv.Type, name)
-		if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid &&
-			tmpId != collect.Id {
+		old, err := model.GetCollectByNameAndNid(recv.Type, name, nid)
+		errors.Dangerous(err)
+		if old != nil && old.(*model.ProcCollect).Id != tmpId {
 			errors.Bomb("同节点下策略名称 %s 已存在", name)
 		}
 
@@ -287,9 +294,9 @@ func collectPut(c *gin.Context) {
 		collect.Creator = creator
 		collect.LastUpdator = creator
 
-		old, _ := model.GetCollectByName(recv.Type, name)
-		if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid &&
-			tmpId != collect.Id {
+		old, err := model.GetCollectByNameAndNid(recv.Type, name, nid)
+		errors.Dangerous(err)
+		if old != nil && old.(*model.LogCollect).Id != tmpId {
 			errors.Bomb("同节点下策略名称 %s 已存在", name)
 		}
 
@@ -326,9 +333,9 @@ func collectPut(c *gin.Context) {
 		collect.Creator = creator
 		collect.LastUpdator = creator
 
-		old, _ := model.GetCollectByName(recv.Type, name)
-		if old != nil && int64(old.(map[string]interface{})["nid"].(float64)) == nid &&
-			tmpId != collect.Id {
+		old, err := model.GetCollectByNameAndNid(recv.Type, name, nid)
+		errors.Dangerous(err)
+		if old != nil && old.(*model.PluginCollect).Id != tmpId {
 			errors.Bomb("同节点下策略名称 %s 已存在", name)
 		}