diff --git a/backend/helpers/pluginhelper/api/ds_remote_api_proxy_api.go b/backend/helpers/pluginhelper/api/ds_remote_api_proxy_api.go
index 9ea8b5d2a43..b0c4b0439c2 100644
--- a/backend/helpers/pluginhelper/api/ds_remote_api_proxy_api.go
+++ b/backend/helpers/pluginhelper/api/ds_remote_api_proxy_api.go
@@ -39,11 +39,7 @@ type DsRemoteApiProxyHelper[C plugin.ToolLayerApiConnection] struct {
 }
 
 // NewDsRemoteApiProxyHelper creates a new DsRemoteApiProxyHelper
-func NewDsRemoteApiProxyHelper[
-	C plugin.ToolLayerApiConnection,
-](
-	modelApiHelper *ModelApiHelper[C],
-) *DsRemoteApiProxyHelper[C] {
+func NewDsRemoteApiProxyHelper[C plugin.ToolLayerApiConnection](modelApiHelper *ModelApiHelper[C]) *DsRemoteApiProxyHelper[C] {
 	return &DsRemoteApiProxyHelper[C]{
 		ModelApiHelper:       modelApiHelper,
 		logger:               modelApiHelper.basicRes.GetLogger().Nested("remote_api_helper"),
diff --git a/backend/plugins/zentao/models/connection.go b/backend/plugins/zentao/models/connection.go
index 0554450e7ae..949dd36d2b4 100644
--- a/backend/plugins/zentao/models/connection.go
+++ b/backend/plugins/zentao/models/connection.go
@@ -73,6 +73,11 @@ type ZentaoConn struct {
 	DbMaxConns     int    `json:"dbMaxConns" mapstructure:"dbMaxConns"`
 }
 
+func (connection ZentaoConn) GetHash() string {
+	// zentao's token will expire after about 24min, so api client cannot be cached.
+	return ""
+}
+
 func (connection ZentaoConn) Sanitize() ZentaoConn {
 	connection.Password = ""
 	if connection.DbUrl != "" {
@@ -106,6 +111,10 @@ func (connection ZentaoConn) SanitizeDbUrl() string {
 	return dbUrl
 }
 
+func (connection ZentaoConnection) GetHash() string {
+	return connection.ZentaoConn.GetHash()
+}
+
 func (connection ZentaoConnection) Sanitize() ZentaoConnection {
 	connection.ZentaoConn = connection.ZentaoConn.Sanitize()
 	return connection