diff --git a/manager/transhipment.go b/manager/transhipment.go
index 018e561b..41f20a92 100644
--- a/manager/transhipment.go
+++ b/manager/transhipment.go
@@ -28,6 +28,7 @@ type TranshipmentForm struct {
 	TopK              *int              `json:"top_k"`
 	Tools             *globals.FunctionTools
 	ToolChoice        *interface{}
+	Official          bool `json:"official"`
 }
 
 type Choice struct {
@@ -49,7 +50,7 @@ type TranshipmentResponse struct {
 	Model   string   `json:"model"`
 	Choices []Choice `json:"choices"`
 	Usage   Usage    `json:"usage"`
-	Quota   float32  `json:"quota"`
+	Quota   *float32 `json:"quota,omitempty"`
 }
 
 type ChoiceDelta struct {
@@ -65,7 +66,7 @@ type TranshipmentStreamResponse struct {
 	Model   string        `json:"model"`
 	Choices []ChoiceDelta `json:"choices"`
 	Usage   Usage         `json:"usage"`
-	Quota   float32       `json:"quota"`
+	Quota   *float32      `json:"quota,omitempty"`
 }
 
 func ModelAPI(c *gin.Context) {
@@ -116,6 +117,11 @@ func TranshipmentAPI(c *gin.Context) {
 		}
 	}
 
+	if strings.HasSuffix(form.Model, "-official") {
+		form.Model = strings.TrimSuffix(form.Model, "-official")
+		form.Official = true
+	}
+
 	check, plan := auth.CanEnableModelWithSubscription(db, cache, user, form.Model)
 	if !check {
 		c.JSON(http.StatusForbidden, gin.H{
@@ -185,7 +191,7 @@ func sendTranshipmentResponse(c *gin.Context, form TranshipmentForm, id string,
 			CompletionTokens: buffer.CountOutputToken(),
 			TotalTokens:      buffer.CountToken(),
 		},
-		Quota: buffer.GetQuota(),
+		Quota: utils.Multi[*float32](form.Official, nil, utils.ToPtr(buffer.GetQuota())),
 	})
 }
 
@@ -210,7 +216,7 @@ func getStreamTranshipmentForm(id string, created int64, form TranshipmentForm,
 			CompletionTokens: utils.MultiF(end, func() int { return buffer.CountOutputToken() }, 0),
 			TotalTokens:      utils.MultiF(end, func() int { return buffer.CountToken() }, 0),
 		},
-		Quota: buffer.GetQuota(),
+		Quota: utils.Multi[*float32](form.Official, nil, utils.ToPtr(buffer.GetQuota())),
 	}
 }