diff --git a/app/screens/ImageSearchResultScreen.tsx b/app/screens/ImageSearchResultScreen.tsx
index 4b29892..7b7d20b 100644
--- a/app/screens/ImageSearchResultScreen.tsx
+++ b/app/screens/ImageSearchResultScreen.tsx
@@ -36,6 +36,8 @@ import widthUtils from "../utils/widthUtils";
 import fontSize from "../utils/fontsizeUtils";
 import useUserStore from "../store/user";
 import { getSubjectTransLanguage } from "../utils/languageUtils";
+import Toast from "react-native-toast-message";
+
 
 // 图标组件 - 使用React.memo优化渲染
 const IconComponent = React.memo(
@@ -475,6 +477,14 @@ export const ImageSearchResultScreen = ({
   // 处理点击产品
   const handleProductPress = useCallback(
     (product: Product) => {
+
+      if(product.original_min_price === 0 || product.original_min_price === null){
+          Toast.show({
+            type: "error",
+            text1: t("productDiscontinued"),
+          });
+          return;
+      }
       navigation.navigate("ProductDetail", {
         offer_id: product.offer_id,
         price: product.min_price,
diff --git a/app/screens/ProductDetailScreen.tsx b/app/screens/ProductDetailScreen.tsx
index 284cff6..214c28f 100644
--- a/app/screens/ProductDetailScreen.tsx
+++ b/app/screens/ProductDetailScreen.tsx
@@ -279,16 +279,6 @@ export const ProductDetailScreen = () => {
         route.params.offer_id,
         userStore.user?.user_id
       );
-
-      if (res.original_min_price === 0 || res.original_min_price === null) {
-        navigation.goBack();
-        Toast.show({
-          type: "error",
-          text1: t("productDiscontinued"),
-        });
-        setIsLoading(false);
-        return;
-      }
       if (res.skus != null) {
         const priceSelectedSku = res.skus.find(
           (item) => item.offer_price === route.params.price
diff --git a/app/screens/SearchResultScreen.tsx b/app/screens/SearchResultScreen.tsx
index 893dc88..99c46d5 100644
--- a/app/screens/SearchResultScreen.tsx
+++ b/app/screens/SearchResultScreen.tsx
@@ -33,6 +33,7 @@ import widthUtils from "../utils/widthUtils";
 import fontSize from "../utils/fontsizeUtils";
 import useUserStore from "../store/user";
 import { getSubjectTransLanguage } from "../utils/languageUtils";
+import Toast from "react-native-toast-message";
 // 图标组件 - 使用React.memo优化渲染
 const IconComponent = React.memo(
   ({ name, size, color }: { name: string; size: number; color: string }) => {
@@ -450,6 +451,13 @@ export const SearchResultScreen = ({ route, navigation }: SearchResultScreenProp
   // 处理点击产品
   const handleProductPress = useCallback(
     (product: Product) => {
+      if (product.original_min_price === 0 || product.original_min_price === null) {
+        Toast.show({
+          type: "error",
+          text1: t("productDiscontinued"),
+        });
+        return;
+      }
       // 导航到产品详情页，并传递产品信息
       navigation.navigate("ProductDetail", {
         offer_id: product.offer_id,
diff --git a/app/screens/pay/PayError.tsx b/app/screens/pay/PayError.tsx
index 3f4a36e..b894ac4 100644
--- a/app/screens/pay/PayError.tsx
+++ b/app/screens/pay/PayError.tsx
@@ -6,15 +6,63 @@ import {
   StyleSheet,
   ScrollView,
   Alert,
+  BackHandler,
 } from "react-native";
 import { Ionicons } from "@expo/vector-icons";
-import { useNavigation } from "@react-navigation/native";
+import { useNavigation, useFocusEffect } from "@react-navigation/native";
 import type { NativeStackNavigationProp } from "@react-navigation/native-stack";
 import { RootStackParamList } from "../../navigation/types";
 import fontSize from "../../utils/fontsizeUtils"; 
 
+type PayErrorStackParamList = {
+  MainTabs: { screen: string } | undefined;
+  PayError: undefined;
+  ConfirmOrder: undefined;
+  OrderDetails: undefined;
+};
+
 export const PayError = () => {
-  const navigation = useNavigation<NativeStackNavigationProp<RootStackParamList>>();
+  const navigation = useNavigation<NativeStackNavigationProp<PayErrorStackParamList>>();
+
+  // 处理系统返回，返回到首页
+  useFocusEffect(
+    React.useCallback(() => {
+      const onBackPress = () => {
+        navigation.reset({
+          index: 0,
+          routes: [{ 
+            name: 'MainTabs',
+            params: { screen: 'Home' }
+          }],
+        });
+        return true; // 阻止默认返回行为
+      };
+
+      // 监听硬件返回按钮（Android）
+      const backHandler = BackHandler;
+      const subscription = backHandler.addEventListener('hardwareBackPress', onBackPress);
+
+      // 监听导航事件（iOS手势返回和导航栏返回按钮）
+      const unsubscribe = navigation.addListener('beforeRemove', (e) => {
+        // 阻止默认行为
+        e.preventDefault();
+        
+        // 执行自定义返回逻辑
+        navigation.reset({
+          index: 0,
+          routes: [{ 
+            name: 'MainTabs',
+            params: { screen: 'Home' }
+          }],
+        });
+      });
+
+      return () => {
+        subscription?.remove();
+        unsubscribe();
+      };
+    }, [navigation])
+  );
 
   const handleRetryPayment = () => {
     // 导航回支付页面或确认订单页面
diff --git a/app/screens/pay/PaySuccess.tsx b/app/screens/pay/PaySuccess.tsx
index fc73032..2014c56 100644
--- a/app/screens/pay/PaySuccess.tsx
+++ b/app/screens/pay/PaySuccess.tsx
@@ -6,14 +6,24 @@ import {
   TouchableOpacity,
   StyleSheet,
   ScrollView,
+  BackHandler,
 } from "react-native";
+import { useNavigation, useFocusEffect } from "@react-navigation/native";
+import { NativeStackNavigationProp } from "@react-navigation/native-stack";
 import fontSize from "../../utils/fontsizeUtils";
 
 // import { useRoute, RouteProp } from "@react-navigation/native";
 // import { RootStackParamList } from "../../navigation/types";
 // import { payApi } from "../../services/api/payApi";
 
+type RootStackParamList = {
+  MainTabs: { screen: string } | undefined;
+  PaymentSuccessScreen: undefined;
+};
+
 export const PaymentSuccessScreen = () => {
+  const navigation = useNavigation<NativeStackNavigationProp<RootStackParamList>>();
+  
   // const route = useRoute<RouteProp<RootStackParamList, 'PaymentSuccessScreen'>>();
   // const { paymentId, PayerID } = route.params;
   // console.log("paymentId", paymentId);
@@ -27,6 +37,46 @@ export const PaymentSuccessScreen = () => {
   //   }
   // }, [paymentId, PayerID]);
 
+  // 处理系统返回，返回到首页
+  useFocusEffect(
+    React.useCallback(() => {
+      const onBackPress = () => {
+        navigation.reset({
+          index: 0,
+          routes: [{ 
+            name: 'MainTabs',
+            params: { screen: 'Home' }
+          }],
+        });
+        return true; // 阻止默认返回行为
+      };
+
+      // 监听硬件返回按钮（Android）
+      const backHandler = BackHandler;
+      const subscription = backHandler.addEventListener('hardwareBackPress', onBackPress);
+
+      // 监听导航事件（iOS手势返回和导航栏返回按钮）
+      const unsubscribe = navigation.addListener('beforeRemove', (e) => {
+        // 阻止默认行为
+        e.preventDefault();
+        
+        // 执行自定义返回逻辑
+        navigation.reset({
+          index: 0,
+          routes: [{ 
+            name: 'MainTabs',
+            params: { screen: 'Home' }
+          }],
+        });
+      });
+
+      return () => {
+        subscription?.remove();
+        unsubscribe();
+      };
+    }, [navigation])
+  );
+
   return (
     <ScrollView style={styles.container} showsVerticalScrollIndicator={false} >
       <View style={styles.header}>
@@ -35,32 +85,32 @@ export const PaymentSuccessScreen = () => {
           <View style={styles.headerSuccessText}>
             <Text style={styles.headerSuccessTextTitle}>支付成功</Text>
           </View>
-          <View style={styles.headerPriceText}>
+          {/* <View style={styles.headerPriceText}>
             <Text style={styles.headerPriceTextTitle}>73800FCFA</Text>
-          </View>
+          </View> */}
         </View>
 
         <View style={styles.headerSuccessInfo}>
-          <View style={styles.headerSuccessInfoItem}>
+          {/* <View style={styles.headerSuccessInfoItem}>
             <Text style={styles.headerSuccessInfoItemText}>现代电话</Text>
             <Text style={styles.headerSuccessInfoItemText1}>17088752341</Text>
-          </View>
-          <View style={styles.headerSuccessInfoItem1}>
+          </View> */}
+          {/* <View style={styles.headerSuccessInfoItem1}>
             <Text style={styles.headerSuccessInfoItemText}>地址</Text>
             <Text style={styles.headerSuccessInfoItemText1}>河南省</Text>
-          </View>
+          </View> */}
         </View>
         <View style={styles.headerSuccessInfoItem2}>
           <Text>货到仓库后，打电话联系您</Text>
         </View>
-        <View style={styles.button}>
+        {/* <View style={styles.button}>
           <View style={styles.buttonItem}>
             <Text style={styles.buttonText}>查看订单</Text>
           </View>
           <View style={styles.buttonItem}>
             <Text style={styles.buttonText}>订单详情</Text>
           </View>
-        </View>
+        </View> */}
       </View>
 
       <View style={styles.recommend}>
diff --git a/app/screens/previewOrder/perviewOrder.tsx b/app/screens/previewOrder/perviewOrder.tsx
index 99b7fa2..a5745e1 100644
--- a/app/screens/previewOrder/perviewOrder.tsx
+++ b/app/screens/previewOrder/perviewOrder.tsx
@@ -58,7 +58,7 @@ type RootStackParamList = {
   Pay: { payUrl: string; method: string; order_id: string };
   OrderDetails: { orderId?: number };
   PaymentSuccessScreen: any;
-  MainTabs: undefined;
+  MainTabs: { screen: string } | undefined;
 };
 
 export const PreviewOrder = () => {
@@ -174,16 +174,23 @@ export const PreviewOrder = () => {
   useFocusEffect(
     React.useCallback(() => {
       const onBackPress = () => {
-        // 拦截系统返回键事件，导航到OrderDetails页面
-        navigation.navigate("OrderDetails", { orderId: 1 });
+        // 重置导航栈并返回到首页
+        navigation.reset({
+          index: 0,
+          routes: [{ 
+            name: 'MainTabs',
+            params: { screen: 'Home' }
+          }],
+        });
         return true; // 返回true表示已处理返回事件
       };
 
       // 添加返回键监听（Android）
       BackHandler.addEventListener("hardwareBackPress", onBackPress);
 
-      return () =>
+      return () => {
         BackHandler.removeEventListener("hardwareBackPress", onBackPress);
+      };
     }, [navigation])
   );
 
@@ -329,7 +336,15 @@ export const PreviewOrder = () => {
         <View style={styles.container}>
           <View style={styles.titleContainer}>
             <View style={styles.backIconContainer}>
-              <TouchableOpacity onPress={() => navigation.goBack()}>
+              <TouchableOpacity onPress={() => {
+                navigation.reset({
+                  index: 0,
+                  routes: [{ 
+                    name: 'MainTabs',
+                    params: { screen: 'Home' }
+                  }],
+                });
+              }}>
                 <BackIcon size={fontSize(20)} />
               </TouchableOpacity>
             </View>