diff --git a/app/(tabs)/index.tsx b/app/(tabs)/index.tsx
index eb6ac28..a6d5472 100644
--- a/app/(tabs)/index.tsx
+++ b/app/(tabs)/index.tsx
@@ -5,8 +5,10 @@ import { useAuth } from '@/hooks/use-auth';
 import { getTemplates } from '@/lib/api/templates';
 import { Template } from '@/lib/types/template';
 import { LinearGradient } from 'expo-linear-gradient';
+import { Ionicons } from '@expo/vector-icons';
 import { useCallback, useEffect, useRef, useState } from 'react';
-import { Alert, Animated, StyleSheet, Text } from 'react-native';
+import { Alert, Animated, StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+import { LoginModal } from '@/components/auth/login-modal';
 
 export default function HomeScreen() {
   const { isAuthenticated } = useAuth();
@@ -17,6 +19,7 @@ export default function HomeScreen() {
   const [currentPage, setCurrentPage] = useState(1);
   const [hasMore, setHasMore] = useState(true);
   const [error, setError] = useState<string | null>(null);
+  const [showLoginModal, setShowLoginModal] = useState(false);
   const pulseAnim = useRef(new Animated.Value(0)).current;
   const bounceAnim = useRef(new Animated.Value(0)).current;
 
@@ -40,16 +43,13 @@ export default function HomeScreen() {
       });
 
       if (isRefreshing || page === 1) {
-        // 刷新或首次加载，替换数据
         setTemplates(response.data);
         setCurrentPage(1);
       } else {
-        // 加载更多，追加数据
         setTemplates(prev => [...prev, ...response.data]);
         setCurrentPage(page);
       }
 
-      // 检查是否还有更多数据
       setHasMore(response.pagination.page < response.pagination.totalPages);
     } catch (err: any) {
       console.error('获取模板列表失败:', err);
@@ -70,6 +70,7 @@ export default function HomeScreen() {
   useEffect(() => {
     if (isAuthenticated) {
       fetchTemplates();
+      setShowLoginModal(false);
     }
 
     Animated.loop(
@@ -126,12 +127,55 @@ export default function HomeScreen() {
   };
 
   if (!isAuthenticated) {
+    const scaleAnim = pulseAnim.interpolate({
+      inputRange: [0, 1],
+      outputRange: [0.95, 1.05],
+    });
+
     return (
       <ThemedView style={styles.container}>
-        <ThemedView style={styles.centerContent}>
-          <ThemedText type="title" style={styles.title}>欢迎使用</ThemedText>
-          <ThemedText style={styles.subtitle}>请先登录以查看模板列表</ThemedText>
-        </ThemedView>
+        <View style={styles.welcomeContainer}>
+          <Animated.View
+            style={[
+              styles.iconContainer,
+              { transform: [{ scale: scaleAnim }] },
+            ]}
+          >
+            <Ionicons name="albums-outline" size={80} color="#007AFF" />
+          </Animated.View>
+
+          <ThemedText type="title" style={styles.welcomeTitle}>
+            欢迎使用模板中心
+          </ThemedText>
+          <ThemedText style={styles.welcomeSubtitle}>
+            登录后即可浏览和使用海量精美模板
+          </ThemedText>
+
+          <TouchableOpacity
+            style={styles.loginButton}
+            onPress={() => setShowLoginModal(true)}
+            activeOpacity={0.8}
+          >
+            <LinearGradient
+              colors={['#007AFF', '#0056D2']}
+              start={{ x: 0, y: 0 }}
+              end={{ x: 1, y: 1 }}
+              style={styles.loginButtonGradient}
+            >
+              <Ionicons name="log-in-outline" size={20} color="#fff" style={styles.loginButtonIcon} />
+              <Text style={styles.loginButtonText}>立即登录</Text>
+            </LinearGradient>
+          </TouchableOpacity>
+
+          <TouchableOpacity style={styles.guestButton} activeOpacity={0.6}>
+            <Text style={styles.guestButtonText}>游客浏览</Text>
+          </TouchableOpacity>
+        </View>
+
+        <LoginModal
+          visible={showLoginModal}
+          onClose={() => setShowLoginModal(false)}
+        />
       </ThemedView>
     );
   }
@@ -176,6 +220,11 @@ export default function HomeScreen() {
         onVideoChange={handleVideoChange}
         error={error}
       />
+
+      <LoginModal
+        visible={showLoginModal}
+        onClose={() => setShowLoginModal(false)}
+      />
     </ThemedView>
   );
 }
@@ -184,6 +233,74 @@ const styles = StyleSheet.create({
   container: {
     flex: 1,
   },
+  welcomeContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    paddingHorizontal: 40,
+  },
+  iconContainer: {
+    width: 120,
+    height: 120,
+    borderRadius: 60,
+    backgroundColor: 'rgba(0, 122, 255, 0.1)',
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginBottom: 24,
+  },
+  welcomeTitle: {
+    fontSize: 28,
+    fontWeight: '700',
+    marginBottom: 12,
+    textAlign: 'center',
+  },
+  welcomeSubtitle: {
+    fontSize: 16,
+    textAlign: 'center',
+    opacity: 0.7,
+    marginBottom: 48,
+    lineHeight: 24,
+  },
+  loginButton: {
+    width: '100%',
+    height: 56,
+    borderRadius: 16,
+    overflow: 'hidden',
+    elevation: 8,
+    shadowColor: '#007AFF',
+    shadowOffset: { width: 0, height: 4 },
+    shadowRadius: 12,
+    shadowOpacity: 0.3,
+  },
+  loginButtonGradient: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    height: '100%',
+  },
+  loginButtonIcon: {
+    marginRight: 8,
+  },
+  loginButtonText: {
+    color: '#fff',
+    fontSize: 17,
+    fontWeight: '700',
+  },
+  guestButton: {
+    width: '100%',
+    height: 56,
+    borderRadius: 16,
+    borderWidth: 1.5,
+    borderColor: 'rgba(0, 122, 255, 0.3)',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginTop: 12,
+  },
+  guestButtonText: {
+    color: '#007AFF',
+    fontSize: 16,
+    fontWeight: '600',
+  },
   headerBanner: {
     position: 'absolute',
     top: 16,
@@ -229,18 +346,4 @@ const styles = StyleSheet.create({
     right: 8,
     fontSize: 16,
   },
-  centerContent: {
-    flex: 1,
-    justifyContent: 'center',
-    alignItems: 'center',
-    padding: 20,
-  },
-  title: {
-    marginBottom: 8,
-    textAlign: 'center',
-  },
-  subtitle: {
-    textAlign: 'center',
-    opacity: 0.7,
-  },
 });
diff --git a/components/auth/login-modal.tsx b/components/auth/login-modal.tsx
new file mode 100644
index 0000000..0ce184d
--- /dev/null
+++ b/components/auth/login-modal.tsx
@@ -0,0 +1,412 @@
+import { Feather, Ionicons } from "@expo/vector-icons";
+import { LinearGradient } from "expo-linear-gradient";
+import React, { useEffect, useRef, useState } from "react";
+import {
+  ActivityIndicator,
+  Alert,
+  Animated,
+  Dimensions,
+  KeyboardAvoidingView,
+  Modal,
+  Platform,
+  StyleSheet,
+  Text,
+  TextInput,
+  TouchableOpacity,
+  View,
+} from "react-native";
+import { SafeAreaView } from "react-native-safe-area-context";
+
+import { useAuth } from "@/hooks/use-auth";
+import { authClient } from "@/lib/auth/client";
+import { storage } from "@/lib/storage";
+
+interface LoginModalProps {
+  visible: boolean;
+  onClose: () => void;
+}
+
+export function LoginModal({ visible, onClose }: LoginModalProps) {
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [isPasswordVisible, setPasswordVisible] = useState(false);
+  const [isLoading, setIsLoading] = useState(false);
+  const { isAuthenticated } = useAuth();
+  const slideAnim = useRef(new Animated.Value(Dimensions.get("window").height)).current;
+  const fadeAnim = useRef(new Animated.Value(0)).current;
+
+  useEffect(() => {
+    if (visible) {
+      Animated.parallel([
+        Animated.timing(slideAnim, {
+          toValue: 0,
+          duration: 300,
+          useNativeDriver: true,
+        }),
+        Animated.timing(fadeAnim, {
+          toValue: 0.5,
+          duration: 300,
+          useNativeDriver: true,
+        }),
+      ]).start();
+    } else {
+      Animated.parallel([
+        Animated.timing(slideAnim, {
+          toValue: Dimensions.get("window").height,
+          duration: 300,
+          useNativeDriver: true,
+        }),
+        Animated.timing(fadeAnim, {
+          toValue: 0,
+          duration: 300,
+          useNativeDriver: true,
+        }),
+      ]).start();
+    }
+  }, [visible]);
+
+  useEffect(() => {
+    if (isAuthenticated && visible) {
+      onClose();
+      setEmail("");
+      setPassword("");
+    }
+  }, [isAuthenticated, visible, onClose]);
+
+  const handleClose = () => {
+    Animated.parallel([
+      Animated.timing(slideAnim, {
+        toValue: Dimensions.get("window").height,
+        duration: 300,
+        useNativeDriver: true,
+      }),
+      Animated.timing(fadeAnim, {
+        toValue: 0,
+        duration: 300,
+        useNativeDriver: true,
+      }),
+    ]).start(() => onClose());
+  };
+
+  const handleLogin = async () => {
+    if (!email.trim() || !password.trim()) {
+      Alert.alert("错误", "请输入邮箱和密码");
+      return;
+    }
+
+    setIsLoading(true);
+
+    try {
+      await new Promise<void>(async (resolve, reject) => {
+        await authClient.signIn.username(
+          {
+            username: email.trim(),
+            password,
+          },
+          {
+            onSuccess: async (ctx) => {
+              const authToken = ctx.response.headers.get("set-auth-token");
+              if (authToken) {
+                await storage.setItem(
+                  `bestaibest.better-auth.session_token`,
+                  authToken
+                );
+                resolve();
+              } else {
+                console.error("Bearer token not set");
+                reject();
+              }
+            },
+          }
+        );
+      });
+      Alert.alert("成功", "登录成功！");
+    } catch (error: any) {
+      Alert.alert("登录失败", error?.message || "邮箱或密码错误");
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleBackdropPress = () => {
+    handleClose();
+  };
+
+  return (
+    <Modal visible={visible} transparent animationType="none">
+      <Animated.View
+        style={[
+          styles.overlay,
+          {
+            opacity: fadeAnim,
+          },
+        ]}
+      >
+        <TouchableOpacity
+          activeOpacity={1}
+          style={styles.backdrop}
+          onPress={handleBackdropPress}
+        >
+          <LinearGradient
+            colors={["rgba(0, 0, 0, 0)", "rgba(0, 0, 0, 0.5)"]}
+            style={StyleSheet.absoluteFillObject}
+          />
+        </TouchableOpacity>
+      </Animated.View>
+
+      <Animated.View
+        style={[
+          styles.modalContainer,
+          {
+            transform: [{ translateY: slideAnim }],
+          },
+        ]}
+      >
+        <TouchableOpacity activeOpacity={1} style={styles.modalContent}>
+          <View style={styles.sheetIndicator} />
+
+          <SafeAreaView style={styles.safeArea}>
+            <KeyboardAvoidingView
+              behavior={Platform.OS === "ios" ? "padding" : undefined}
+              style={styles.flex}
+            >
+              <View style={styles.content}>
+                <View style={styles.header}>
+                  <View style={styles.titleGroup}>
+                    <View style={styles.iconBadge}>
+                      <Ionicons name="mail-open" size={16} color="#ffffff" />
+                    </View>
+                    <Text style={styles.title}>Email Login</Text>
+                  </View>
+
+                  <TouchableOpacity
+                    activeOpacity={0.7}
+                    onPress={handleClose}
+                    style={styles.closeButton}
+                  >
+                    <Feather name="x" size={20} color="#f2f4f8" />
+                  </TouchableOpacity>
+                </View>
+
+                <View style={styles.form}>
+                  <View style={styles.inputWrapper}>
+                    <TextInput
+                      style={styles.input}
+                      placeholder="yours@example.com"
+                      placeholderTextColor="#70737c"
+                      value={email}
+                      onChangeText={setEmail}
+                      autoCapitalize="none"
+                      autoCorrect={false}
+                      keyboardType="email-address"
+                      editable={!isLoading}
+                      keyboardAppearance="dark"
+                    />
+                  </View>
+
+                  <View style={styles.inputWrapper}>
+                    <TextInput
+                      style={styles.input}
+                      placeholder="email password"
+                      placeholderTextColor="#70737c"
+                      value={password}
+                      onChangeText={setPassword}
+                      secureTextEntry={!isPasswordVisible}
+                      autoCorrect={false}
+                      editable={!isLoading}
+                      keyboardAppearance="dark"
+                    />
+                    <TouchableOpacity
+                      activeOpacity={0.7}
+                      onPress={() => setPasswordVisible((visible) => !visible)}
+                      style={styles.visibilityToggle}
+                    >
+                      <Feather
+                        name={isPasswordVisible ? "eye-off" : "eye"}
+                        size={18}
+                        color="#8a8e97"
+                      />
+                    </TouchableOpacity>
+                  </View>
+
+                  <TouchableOpacity
+                    style={[styles.loginButton, isLoading && styles.loginButtonDisabled]}
+                    onPress={handleLogin}
+                    disabled={isLoading}
+                    activeOpacity={0.85}
+                  >
+                    {isLoading ? (
+                      <ActivityIndicator color="#0f100f" />
+                    ) : (
+                      <Text style={styles.loginButtonText}>Log in</Text>
+                    )}
+                  </TouchableOpacity>
+
+                  <View style={styles.termsRow}>
+                    <Ionicons name="checkmark-circle" size={16} color="#d7ff1f" />
+                    <Text style={styles.termsText}>
+                      已阅读并同意
+                      <Text style={styles.linkText}> 用户协议 </Text>
+                      和
+                      <Text style={styles.linkText}> 隐私政策</Text>
+                    </Text>
+                  </View>
+                </View>
+              </View>
+            </KeyboardAvoidingView>
+          </SafeAreaView>
+        </TouchableOpacity>
+      </Animated.View>
+    </Modal>
+  );
+}
+
+const styles = StyleSheet.create({
+  overlay: {
+    position: "absolute",
+    top: 0,
+    left: 0,
+    right: 0,
+    bottom: 0,
+  },
+  backdrop: {
+    flex: 1,
+  },
+  modalContainer: {
+    position: "absolute",
+    left: 0,
+    right: 0,
+    bottom: 0,
+  },
+  modalContent: {
+    backgroundColor: "#14161c",
+    borderTopLeftRadius: 28,
+    borderTopRightRadius: 28,
+    borderWidth: 1,
+    borderColor: "rgba(255, 255, 255, 0.08)",
+    shadowColor: "#000",
+    shadowOffset: { width: 0, height: -8 },
+    shadowRadius: 18,
+    shadowOpacity: 0.25,
+    elevation: 24,
+    maxHeight: Dimensions.get("window").height * 0.75,
+  },
+  sheetIndicator: {
+    width: 40,
+    height: 4,
+    backgroundColor: "rgba(255, 255, 255, 0.3)",
+    borderRadius: 2,
+    alignSelf: "center",
+    marginTop: 12,
+    marginBottom: 8,
+  },
+  safeArea: {
+    flex: 1,
+  },
+  flex: {
+    flex: 1,
+  },
+  content: {
+    flex: 1,
+    paddingHorizontal: 24,
+    paddingBottom: 34,
+  },
+  header: {
+    flexDirection: "row",
+    alignItems: "center",
+    justifyContent: "space-between",
+    marginTop: 16,
+    marginBottom: 28,
+  },
+  titleGroup: {
+    flexDirection: "row",
+    alignItems: "center",
+  },
+  iconBadge: {
+    width: 40,
+    height: 40,
+    borderRadius: 16,
+    alignItems: "center",
+    justifyContent: "center",
+    backgroundColor: "#f6474d",
+    marginRight: 12,
+  },
+  title: {
+    color: "#f5f6f8",
+    fontSize: 22,
+    fontWeight: "700",
+    letterSpacing: 0.2,
+  },
+  closeButton: {
+    width: 40,
+    height: 40,
+    borderRadius: 20,
+    alignItems: "center",
+    justifyContent: "center",
+    backgroundColor: "rgba(255, 255, 255, 0.05)",
+    borderWidth: 1,
+    borderColor: "rgba(255, 255, 255, 0.06)",
+  },
+  form: {
+    marginTop: 4,
+  },
+  inputWrapper: {
+    position: "relative",
+    flexDirection: "row",
+    alignItems: "center",
+    paddingHorizontal: 18,
+    backgroundColor: "#1a1d23",
+    borderRadius: 18,
+    borderWidth: 1,
+    borderColor: "rgba(255, 255, 255, 0.05)",
+    marginBottom: 18,
+  },
+  input: {
+    flex: 1,
+    paddingVertical: 16,
+    fontSize: 16,
+    color: "#f5f6f8",
+    letterSpacing: 0.3,
+  },
+  visibilityToggle: {
+    marginLeft: 12,
+  },
+  loginButton: {
+    height: 56,
+    borderRadius: 18,
+    alignItems: "center",
+    justifyContent: "center",
+    backgroundColor: "#d7ff1f",
+    shadowColor: "#d7ff1f",
+    shadowOpacity: 0.35,
+    shadowRadius: 16,
+    shadowOffset: { width: 0, height: 10 },
+    elevation: 10,
+    marginTop: 4,
+  },
+  loginButtonDisabled: {
+    opacity: 0.7,
+  },
+  loginButtonText: {
+    color: "#10120d",
+    fontSize: 17,
+    fontWeight: "700",
+    letterSpacing: 0.5,
+  },
+  termsRow: {
+    flexDirection: "row",
+    alignItems: "center",
+    justifyContent: "center",
+    marginTop: 18,
+  },
+  termsText: {
+    color: "#a7abb5",
+    fontSize: 13,
+    lineHeight: 18,
+    marginLeft: 8,
+  },
+  linkText: {
+    color: "#f5f6f8",
+    fontWeight: "600",
+  },
+});
diff --git a/design/login.png b/design/login.png
new file mode 100644
index 0000000..1e09914
Binary files /dev/null and b/design/login.png differ
diff --git a/lib/api/client.ts b/lib/api/client.ts
index 51493db..1493451 100644
--- a/lib/api/client.ts
+++ b/lib/api/client.ts
@@ -1,7 +1,7 @@
 import { fetch, FetchRequestInit } from 'expo/fetch';
 import { storage } from '../storage';
 
-const BASE_URL = 'https://api.mixvideo.bowong.cc';
+const BASE_URL = 'https://api-test.mixvideo.bowong.cc';
 
 export interface ApiRequestOptions extends FetchRequestInit {
   params?: Record<string, string | number | boolean | undefined>;
diff --git a/package.json b/package.json
index 2b4cd57..1a0d4df 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
     "android": "expo run:android",
     "ios": "expo run:ios",
     "web": "expo start --web",
-    "lint": "expo lint"
+    "lint": "expo lint",
+    "claude": "claude --dangerously-skip-permissions"
   },
   "dependencies": {
     "@better-auth/expo": "^1.3.27",