diff --git a/src/components/input/ChatInput.vue b/src/components/input/ChatInput.vue
index 1e78c93..9418a52 100644
--- a/src/components/input/ChatInput.vue
+++ b/src/components/input/ChatInput.vue
@@ -173,6 +173,8 @@ import AttachmentPreview from "./AttachmentPreview.vue";
 import { generateId } from "@/utils/helpers";
 import type { Attachment } from "@/types/chat";
 import { chatApi } from "@/services/api";
+import { useAuthStore } from "@/stores/auth";
+import { useSettingsStore } from "@/stores/settings";
 
 interface AttachmentWithProgress extends Attachment {
   uploading?: boolean;
@@ -216,6 +218,9 @@ const emit = defineEmits<{
 }>();
 
 // 响应式状态
+const authStore = useAuthStore();
+const settingsStore = useSettingsStore();
+
 const inputText = ref("");
 const attachments = ref<AttachmentWithProgress[]>([]);
 const isFocused = ref(false);
@@ -467,6 +472,15 @@ watch(inputText, () => {
     autoResize();
   });
 });
+// 监听模型变化，重置选项功能
+watch(
+  () => settingsStore.settings.defaultModel,
+  () => {
+    isDeepSearch.value = false;
+    isDeepThinking.value = false;
+    isWebSearch.value = false;
+  },
+);
 
 onMounted(() => {
   autoResize();
diff --git a/src/components/sidebar/ChatSidebar.vue b/src/components/sidebar/ChatSidebar.vue
index 2b9ad7b..c656ec1 100644
--- a/src/components/sidebar/ChatSidebar.vue
+++ b/src/components/sidebar/ChatSidebar.vue
@@ -212,6 +212,11 @@ function selectModel(modelId: string, modelName: string) {
   localStorage.setItem("modelSelect", modelName);
   settingsStore.setSelectedModelId(modelId); // 更新选中的模型 ID
   showModelMenu.value = false;
+
+  // 切换模型时重置搜索和思考参数
+  localStorage.setItem("isDeepSearch", "false");
+  localStorage.setItem("isDeepThinking", "false");
+  localStorage.setItem("isWebSearch", "false");
 }
 
 // 方法