diff --git a/controller/channel.go b/controller/channel.go
index a31e1f47..a4ef87c3 100644
--- a/controller/channel.go
+++ b/controller/channel.go
@@ -623,3 +623,44 @@ func BatchSetChannelTag(c *gin.Context) {
 	})
 	return
 }
+
+func GetTagModels(c *gin.Context) {
+	tag := c.Query("tag")
+	if tag == "" {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"success": false,
+			"message": "tag不能为空",
+		})
+		return
+	}
+
+	channels, err := model.GetChannelsByTag(tag, false) // Assuming false for idSort is fine here
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+
+	var longestModels string
+	maxLength := 0
+
+	// Find the longest models string among all channels with the given tag
+	for _, channel := range channels {
+		if channel.Models != "" {
+			currentModels := strings.Split(channel.Models, ",")
+			if len(currentModels) > maxLength {
+				maxLength = len(currentModels)
+				longestModels = channel.Models
+			}
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"data":    longestModels,
+	})
+	return
+}
diff --git a/router/api-router.go b/router/api-router.go
index 1720ff57..6251c8a2 100644
--- a/router/api-router.go
+++ b/router/api-router.go
@@ -105,6 +105,7 @@ func SetApiRouter(router *gin.Engine) {
 			channelRoute.GET("/fetch_models/:id", controller.FetchUpstreamModels)
 			channelRoute.POST("/fetch_models", controller.FetchModels)
 			channelRoute.POST("/batch/tag", controller.BatchSetChannelTag)
+			channelRoute.GET("/tag/models", controller.GetTagModels)
 		}
 		tokenRoute := apiRouter.Group("/token")
 		tokenRoute.Use(middleware.UserAuth())
diff --git a/web/src/pages/Channel/EditTagModal.js b/web/src/pages/Channel/EditTagModal.js
index 52dd4bbb..695ed2b4 100644
--- a/web/src/pages/Channel/EditTagModal.js
+++ b/web/src/pages/Channel/EditTagModal.js
@@ -194,6 +194,24 @@ const EditTagModal = (props) => {
   }, [originModelOptions, inputs.models]);
 
   useEffect(() => {
+    const fetchTagModels = async () => {
+      if (!tag) return;
+      setLoading(true);
+      try {
+        const res = await API.get(`/api/channel/tag/models?tag=${tag}`);
+        if (res?.data?.success) {
+          const models = res.data.data ? res.data.data.split(',') : [];
+          setInputs((inputs) => ({ ...inputs, models: models }));
+        } else {
+          showError(res.data.message);
+        }
+      } catch (error) {
+        showError(error.message);
+      } finally {
+        setLoading(false);
+      }
+    };
+
     setInputs({
       ...originInputs,
       tag: tag,
@@ -201,7 +219,8 @@ const EditTagModal = (props) => {
     });
     fetchModels().then();
     fetchGroups().then();
-  }, [visible]);
+    fetchTagModels().then(); // Call the new function
+  }, [visible, tag]); // Add tag to dependency array
 
   const addCustomModels = () => {
     if (customModel.trim() === '') return;
@@ -347,6 +366,11 @@ const EditTagModal = (props) => {
             <div className="space-y-4">
               <div>
                 <Text strong className="block mb-2">{t('模型')}</Text>
+                <Banner
+                  type="info"
+                  description={t('当前模型列表为该标签下所有渠道模型列表最长的一个，并非所有渠道的并集，请注意可能导致某些渠道模型丢失。')}
+                  className="!rounded-lg mb-4"
+                />
                 <Select
                   placeholder={t('请选择该渠道所支持的模型，留空则不更改')}
                   name='models'