diff --git a/app/src/components/home/ModelFinder.tsx b/app/src/components/home/ModelFinder.tsx
index 0c84f5ef..3163aab9 100644
--- a/app/src/components/home/ModelFinder.tsx
+++ b/app/src/components/home/ModelFinder.tsx
@@ -16,7 +16,7 @@ import { modelEvent } from "@/events/model.ts";
 import { levelSelector } from "@/store/subscription.ts";
 import { teenagerSelector } from "@/store/package.ts";
 import { ToastAction } from "@/components/ui/toast.tsx";
-import { useMemo } from "react";
+import { useEffect, useMemo, useState } from "react";
 import { Sparkles } from "lucide-react";
 import { goAuth } from "@/utils/app.ts";
 
@@ -55,6 +55,8 @@ function ModelFinder(props: ModelSelectorProps) {
   const student = useSelector(teenagerSelector);
   const list = useSelector(selectModelList);
 
+  const [sync, setSync] = useState<boolean>(false);
+
   modelEvent.bind((target: string) => {
     if (supportModels.find((m) => m.id === target)) {
       if (model === target) return;
@@ -64,7 +66,10 @@ function ModelFinder(props: ModelSelectorProps) {
   });
 
   const models = useMemo(() => {
-    const raw = supportModels.filter((model) => list.includes(model.id));
+    const raw = list.length
+      ? supportModels.filter((model) => list.includes(model.id))
+      : supportModels.filter((model) => model.default);
+
     return [
       ...raw.map((model: Model): SelectItemProps => filterModel(model, level)),
       {
@@ -73,7 +78,14 @@ function ModelFinder(props: ModelSelectorProps) {
         value: t("market.model"),
       },
     ];
-  }, [supportModels, level, student]);
+  }, [supportModels, level, student, sync]);
+
+  useEffect(() => {
+    setInterval(() => {
+      if (supportModels.length === 0) return;
+      setSync(!sync);
+    }, 500);
+  }, []);
 
   return (
     <SelectGroup
diff --git a/app/src/routes/admin/Market.tsx b/app/src/routes/admin/Market.tsx
index da0630c9..c657299e 100644
--- a/app/src/routes/admin/Market.tsx
+++ b/app/src/routes/admin/Market.tsx
@@ -328,7 +328,8 @@ function Market() {
   const sync = useRef<boolean>(false);
 
   const update = async (): Promise<void> => {
-    const resp = await updateMarket(form);
+    const preflight = form.filter((_, idx) => doCheck(idx));
+    const resp = await updateMarket(preflight);
 
     if (!resp.status) {
       toast(t("admin.market.update-failed"), {
diff --git a/app/src/utils/storage.ts b/app/src/utils/storage.ts
index e14207b1..9185635d 100644
--- a/app/src/utils/storage.ts
+++ b/app/src/utils/storage.ts
@@ -11,6 +11,11 @@ export function getPreferenceModels(): string[] {
 }
 
 export function loadPreferenceModels(models: Model[]): Model[] {
+  models = models.filter((item) =>
+    item.id.length > 0 &&
+    item.name.length > 0
+  );
+
   // sort by preference
   const preference = getPreferenceModels();
 
@@ -31,27 +36,38 @@ export function setOfflineModels(models: Model[]): void {
 }
 
 export function parseOfflineModels(models: string): Model[] {
-  const parsed = JSON.parse(models);
-  if (!Array.isArray(parsed)) return [];
-  return parsed
-    .map((item): Model | null => {
-      if (!item || typeof item !== "object") return null;
-      return {
-        id: item.id || "",
-        name: item.name || "",
-        description: item.description || "",
-        free: item.free || false,
-        auth: item.auth || false,
-        default: item.default || false,
-        high_context: item.high_context || false,
-        avatar: item.avatar || "",
-        tag: item.tag || [],
-      } as Model;
-    })
-    .filter((item): item is Model => item !== null);
+  try {
+    const parsed = JSON.parse(models);
+    if (!Array.isArray(parsed)) return [];
+    return parsed
+      .map((item): Model | null => {
+        if (!item || typeof item !== "object") {
+          return null;
+        }
+
+        if (!item.id || !item.name) {
+          return null;
+        }
+
+        return {
+          id: item.id || "",
+          name: item.name || "",
+          description: item.description || "",
+          free: item.free || false,
+          auth: item.auth || false,
+          default: item.default || false,
+          high_context: item.high_context || false,
+          avatar: item.avatar || "",
+          tag: item.tag || [],
+        } as Model;
+      })
+      .filter((item): item is Model => item !== null);
+  } catch {
+    return [];
+  }
 }
 
 export function getOfflineModels(): Model[] {
   const memory = getMemory("model_offline");
-  return memory.length ? parseOfflineModels(memory) : [];
+  return memory && memory.length ? parseOfflineModels(memory) : [];
 }