diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt
new file mode 100644
index 0000000..f9c05cd
--- /dev/null
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt
@@ -0,0 +1,293 @@
+package com.aiosman.ravenow.ui.index.tabs.moment.tabs.news
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.asPaddingValues
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.navigationBars
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.ModalBottomSheet
+import androidx.compose.material3.Text
+import androidx.compose.material3.rememberModalBottomSheetState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.aiosman.ravenow.AppState
+import com.aiosman.ravenow.GuestLoginCheckOut
+import com.aiosman.ravenow.GuestLoginCheckOutScene
+import com.aiosman.ravenow.LocalAppTheme
+import com.aiosman.ravenow.LocalNavController
+import com.aiosman.ravenow.R
+import com.aiosman.ravenow.data.CommentService
+import com.aiosman.ravenow.data.CommentServiceImpl
+import com.aiosman.ravenow.entity.CommentEntity
+import com.aiosman.ravenow.ui.NavigationRoute
+import com.aiosman.ravenow.ui.composables.EditCommentBottomModal
+import com.aiosman.ravenow.ui.composables.debouncedClickable
+import com.aiosman.ravenow.ui.composables.rememberDebouncedNavigation
+import com.aiosman.ravenow.ui.modifiers.noRippleClickable
+import com.aiosman.ravenow.ui.post.CommentContent
+import com.aiosman.ravenow.ui.post.CommentMenuModal
+import com.aiosman.ravenow.ui.post.CommentsViewModel
+import com.aiosman.ravenow.ui.post.OrderSelectionComponent
+import kotlinx.coroutines.launch
+
+
+class NewsCommentModalViewModel(
+    val postId: Int?
+) : ViewModel() {
+    var commentsViewModel: CommentsViewModel = CommentsViewModel(postId.toString())
+    var commentService: CommentService = CommentServiceImpl()
+    
+    init {
+        commentsViewModel.preTransit()
+    }
+
+    fun likeComment(commentId: Int) {
+        viewModelScope.launch {
+            commentsViewModel.likeComment(commentId)
+        }
+    }
+    
+    fun unlikeComment(commentId: Int) {
+        viewModelScope.launch {
+            commentsViewModel.unlikeComment(commentId)
+        }
+    }
+    
+    fun createComment(
+        content: String,
+        parentCommentId: Int? = null,
+        replyUserId: Int? = null,
+        replyCommentId: Int? = null
+    ) {
+        viewModelScope.launch {
+            commentsViewModel.createComment(
+                content = content,
+                parentCommentId = parentCommentId,
+                replyUserId = replyUserId,
+                replyCommentId = replyCommentId
+            )
+        }
+    }
+    
+    fun deleteComment(commentId: Int) {
+        commentsViewModel.deleteComment(commentId)
+    }
+}
+
+// 新闻评论弹窗
+// @param postId 新闻帖子ID
+// @param commentCount 评论数量
+// @param onDismiss 关闭回调
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun NewsCommentModal(
+    postId: Int? = null,
+    commentCount: Int = 0,
+    onDismiss: () -> Unit = {}
+) {
+    val AppColors = LocalAppTheme.current
+    val navController = LocalNavController.current
+    val debouncedNavigation = rememberDebouncedNavigation()
+    
+    val model = viewModel<NewsCommentModalViewModel>(
+        key = "NewsCommentModalViewModel_$postId",
+        factory = object : ViewModelProvider.Factory {
+            override fun <T : ViewModel> create(modelClass: Class<T>): T {
+                return NewsCommentModalViewModel(postId) as T
+            }
+        }
+    )
+    
+    val commentViewModel = model.commentsViewModel
+    var navBarHeight = WindowInsets.navigationBars.asPaddingValues().calculateBottomPadding()
+    
+    var showCommentMenu by remember { mutableStateOf(false) }
+    var contextComment by remember { mutableStateOf<CommentEntity?>(null) }
+    var replyComment by remember { mutableStateOf<CommentEntity?>(null) }
+    
+    // 菜单弹窗
+    if (showCommentMenu) {
+        ModalBottomSheet(
+            onDismissRequest = {
+                showCommentMenu = false
+            },
+            containerColor = AppColors.background,
+            sheetState = rememberModalBottomSheetState(
+                skipPartiallyExpanded = true
+            ),
+            dragHandle = {},
+            shape = RoundedCornerShape(topStart = 16.dp, topEnd = 16.dp),
+            windowInsets = WindowInsets(0)
+        ) {
+            CommentMenuModal(
+                onDeleteClick = {
+                    showCommentMenu = false
+                    contextComment?.let {
+                        model.deleteComment(it.id)
+                    }
+                },
+                commentEntity = contextComment,
+                onCloseClick = {
+                    showCommentMenu = false
+                },
+                isSelf = AppState.UserId?.toLong() == contextComment?.author,
+                onLikeClick = {
+                    if (GuestLoginCheckOut.needLogin(GuestLoginCheckOutScene.LIKE_MOMENT)) {
+                        debouncedNavigation {
+                            navController.navigate(NavigationRoute.Login.route)
+                        }
+                    } else {
+                        showCommentMenu = false
+                        contextComment?.let {
+                            if (it.liked) {
+                                model.unlikeComment(it.id)
+                            } else {
+                                model.likeComment(it.id)
+                            }
+                        }
+                    }
+                },
+                onReplyClick = {
+                    if (GuestLoginCheckOut.needLogin(GuestLoginCheckOutScene.COMMENT_MOMENT)) {
+                        debouncedNavigation {
+                            navController.navigate(NavigationRoute.Login.route)
+                        }
+                    } else {
+                        showCommentMenu = false
+                        replyComment = contextComment
+                    }
+                }
+            )
+        }
+    }
+
+    Column(
+        modifier = Modifier.background(AppColors.background)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = "${commentCount}条评论",
+                fontSize = 15.sp,
+                fontWeight = FontWeight.Bold,
+                color = AppColors.text
+            )
+
+            // 排序选择
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth(),
+                horizontalArrangement = Arrangement.End
+            ) {
+                OrderSelectionComponent {
+                    commentViewModel.order = it
+                    commentViewModel.reloadComment()
+                }
+            }
+        }
+
+        // 评论列表
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .weight(1f)
+        ) {
+            Box(
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                LazyColumn {
+                    item {
+                        CommentContent(
+                            viewModel = commentViewModel,
+                            onLongClick = { comment ->
+                                showCommentMenu = true
+                                contextComment = comment
+                            },
+                            onReply = { parentComment, _, _, _ ->
+                                if (GuestLoginCheckOut.needLogin(GuestLoginCheckOutScene.COMMENT_MOMENT)) {
+                                    debouncedNavigation {
+                                        navController.navigate(NavigationRoute.Login.route)
+                                    }
+                                } else {
+                                    replyComment = parentComment
+                                }
+                            }
+                        )
+                    }
+                }
+            }
+        }
+        
+        // 底部输入栏
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(AppColors.background)
+        ) {
+            HorizontalDivider(color = AppColors.inputBackground)
+            
+            EditCommentBottomModal(replyComment) {
+                if (replyComment != null) {
+                    if (replyComment?.parentCommentId != null) {
+                        // 第三级评论
+                        model.createComment(
+                            content = it,
+                            parentCommentId = replyComment?.parentCommentId,
+                            replyUserId = replyComment?.author?.toInt(),
+                            replyCommentId = replyComment?.id
+                        )
+                    } else {
+                        // 子级评论
+                        model.createComment(
+                            content = it,
+                            parentCommentId = replyComment?.id,
+                            replyCommentId = replyComment?.id
+                        )
+                    }
+                } else {
+                    // 顶级评论
+                    model.createComment(content = it)
+                }
+                replyComment = null
+            }
+            
+            Spacer(modifier = Modifier.height(navBarHeight))
+        }
+    }
+}
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsScreen.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsScreen.kt
index 08eb59b..83aad3a 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsScreen.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsScreen.kt
@@ -10,6 +10,7 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.statusBars
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
@@ -20,7 +21,10 @@ import androidx.compose.material.ExperimentalMaterialApi
 import androidx.compose.material.pullrefresh.PullRefreshIndicator
 import androidx.compose.material.pullrefresh.pullRefresh
 import androidx.compose.material.pullrefresh.rememberPullRefreshState
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ModalBottomSheet
 import androidx.compose.material3.Text
+import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.derivedStateOf
@@ -39,14 +43,16 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.compose.ui.platform.LocalConfiguration
 import com.aiosman.ravenow.LocalAppTheme
 import com.aiosman.ravenow.R
 import com.aiosman.ravenow.entity.MomentEntity
 import com.aiosman.ravenow.exp.timeAgo
 import com.aiosman.ravenow.ui.composables.CustomAsyncImage
 import com.aiosman.ravenow.ui.index.tabs.moment.tabs.dynamic.DynamicViewModel
+import com.aiosman.ravenow.ui.modifiers.noRippleClickable
 
-@OptIn(ExperimentalMaterialApi::class)
+@OptIn(ExperimentalMaterialApi::class, ExperimentalMaterial3Api::class)
 @Composable
 fun NewsScreen() {
     val model = DynamicViewModel
@@ -54,6 +60,10 @@ fun NewsScreen() {
     val AppColors = LocalAppTheme.current
     val context = LocalContext.current
     
+    // 评论弹窗状态
+    var showCommentModal by remember { mutableStateOf(false) }
+    var selectedMoment by remember { mutableStateOf<MomentEntity?>(null) }
+    
     // 下拉刷新状态
     val state = rememberPullRefreshState(model.refreshing, onRefresh = {
         model.refreshPager(pullRefresh = true)
@@ -122,12 +132,46 @@ fun NewsScreen() {
                     
                     NewsItem(
                         moment = momentItem,
-                        modifier = Modifier.fillMaxWidth()
+                        modifier = Modifier.fillMaxWidth(),
+                        onCommentClick = {
+                            selectedMoment = momentItem
+                            showCommentModal = true
+                        }
                     )
                 }
             }
             PullRefreshIndicator(model.refreshing, state, Modifier.align(Alignment.TopCenter))
         }
+        
+        // 评论弹窗
+        if (showCommentModal && selectedMoment != null) {
+            val configuration = LocalConfiguration.current
+            val screenHeight = configuration.screenHeightDp.dp
+            val sheetHeight = screenHeight * 0.67f // 三分之二高度
+            
+            ModalBottomSheet(
+                onDismissRequest = {
+                    showCommentModal = false
+                },
+                sheetState = rememberModalBottomSheetState(
+                    skipPartiallyExpanded = true
+                ),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(sheetHeight),
+                containerColor = AppColors.background,
+                shape = RoundedCornerShape(topStart = 16.dp, topEnd = 16.dp),
+                windowInsets = androidx.compose.foundation.layout.WindowInsets(0)
+            ) {
+                NewsCommentModal(
+                    postId = selectedMoment?.id,
+                    commentCount = selectedMoment?.commentCount ?: 0,
+                    onDismiss = {
+                        showCommentModal = false
+                    }
+                )
+            }
+        }
     }
 }
 
@@ -135,7 +179,8 @@ fun NewsScreen() {
 @Composable
 fun NewsItem(
     moment: MomentEntity,
-    modifier: Modifier = Modifier
+    modifier: Modifier = Modifier,
+    onCommentClick: () -> Unit = {}
 ) {
     val AppColors = LocalAppTheme.current
     val context = LocalContext.current
@@ -263,7 +308,8 @@ fun NewsItem(
             NewsActionButton(
                 icon = R.mipmap.icon_comment,
                 count = moment.commentCount.toString(),
-                isActive = false
+                isActive = false,
+                modifier = Modifier.noRippleClickable { onCommentClick() }
             )
             
             // 收藏
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/login/login.kt b/app/src/main/java/com/aiosman/ravenow/ui/login/login.kt
index 1ded727..bf3868c 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/login/login.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/login/login.kt
@@ -359,30 +359,31 @@ fun LoginPage() {
                     NavigationRoute.EmailSignUp.route,
                 )
             }
-           //苹果登录tab
+           //谷歌登录tab
                 Spacer(modifier = Modifier.height(16.dp))
                 ActionButton(
                     modifier = Modifier
                         .fillMaxWidth()
+                        .height(52.dp)
                         .border(
-                            width = 1.dp,
+                            width = 1.5.dp,
                             color = if (AppState.darkMode) Color.White else Color.Black,
                             shape = RoundedCornerShape(24.dp)
                         ),
-                    text = stringResource(R.string.sign_in_with_apple),
+                    text = stringResource(R.string.sign_in_with_google),
                     color = if (AppState.darkMode) Color.White else Color.Black,
                     backgroundColor = if (AppState.darkMode) Color.Black else Color.White,
                     leading = {
                         Image(
-                            painter = painterResource(id = R.mipmap.apple_logo_medium),
-                            contentDescription = "Apple",
-                            modifier = Modifier.size(36.dp),
-                            colorFilter = ColorFilter.tint(if (AppState.darkMode) Color.White else Color.Black)
+                            painter = painterResource(id = R.mipmap.rider_pro_signup_google),
+                            contentDescription = "Google",
+                            modifier = Modifier.size(18.dp),
                         )
                     },
                     expandText = true,
-                    contentPadding = PaddingValues(vertical = 8.dp, horizontal = 8.dp)
+                    contentPadding = PaddingValues(vertical = 8.dp, horizontal = 10.dp)
                 ) {
+                    googleLogin()
                 }
 
             //登录tab
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/login/signup.kt b/app/src/main/java/com/aiosman/ravenow/ui/login/signup.kt
index 00c29a0..63e3852 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/login/signup.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/login/signup.kt
@@ -211,7 +211,7 @@ fun SignupScreen() {
                                 )
                                 Spacer(modifier = Modifier.width(8.dp))
                             },
-                            text = stringResource(R.string.sign_in_with_apple),
+                            text = stringResource(R.string.sign_in_with_google),
                         ) {
                             googleLogin()
 
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 6c8e612..0d5200f 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -33,7 +33,7 @@
     <string name="text_hint_password">パスワードを入力してください</string>
     <string name="sign_up_upper">サインアップ</string>
     <string name="sign_in_with_email">メールで接続</string>
-    <string name="sign_in_with_apple">Appleで接続</string>
+    <string name="sign_in_with_google">Googleで接続</string>
     <string name="back_upper">戻る</string>
     <string name="text_hint_confirm_password">パスワードを再入力してください</string>
     <string name="login_confirm_password_label">パスワードの確認</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 1aa274d..a884fe0 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -32,7 +32,7 @@
     <string name="text_hint_password">输入密码</string>
     <string name="sign_up_upper">注册</string>
     <string name="sign_in_with_email">使用邮箱注册</string>
-    <string name="sign_in_with_apple">使用Apple登录</string>
+    <string name="sign_in_with_google">使用Google账号登录</string>
     <string name="back_upper">返回</string>
     <string name="text_hint_confirm_password">再次输入密码</string>
     <string name="login_confirm_password_label">再次输入密码</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3b44081..bb229c8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -32,7 +32,7 @@
     <string name="text_hint_password">Enter your password</string>
     <string name="sign_up_upper">Sign Up</string>
     <string name="sign_in_with_email">Connect with Email</string>
-    <string name="sign_in_with_apple">Continue with Apple</string>
+    <string name="sign_in_with_google">Continue with Google</string>
     <string name="back_upper">BACK</string>
     <string name="text_hint_confirm_password">Enter your password again</string>
     <string name="login_confirm_password_label">Confirm password</string>