diff --git a/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt b/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
index c7f86d8..82b2222 100644
--- a/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
+++ b/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
@@ -53,8 +53,14 @@ interface TecnologiaApi {
     suspend fun getFriends(): FriendListResponse
     @GET("api/friends/pending")
     suspend fun getFriendsPending(): PendingFriendsResponse
+
+    //accept and reject
     @POST("api/friends/{id}/accept")
     suspend fun acceptFriendRequest(
         @Path("id") friendshipId: String
     ): Response<Unit>
+    @POST("api/friends/{id}/reject")
+    suspend fun rejectFriendRequest(
+        @Path("id") friendshipId: String
+    ): Response<Unit>
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/login_v3/data/repository/basic/Friends_Repository.kt b/app/src/main/java/com/example/login_v3/data/repository/basic/Friends_Repository.kt
index de89fc2..a9fae7f 100644
--- a/app/src/main/java/com/example/login_v3/data/repository/basic/Friends_Repository.kt
+++ b/app/src/main/java/com/example/login_v3/data/repository/basic/Friends_Repository.kt
@@ -3,6 +3,7 @@ package com.example.login_v3.data.repository.basic
 import com.example.login_v3.data.api.TecnologiaApi
 import com.example.login_v3.data.api.api_class.Friend
 import com.example.login_v3.data.api.api_class.PendingFriendApiModel
+import retrofit2.Response
 import javax.inject.Inject
 
 class FriendsRepository @Inject constructor(
@@ -33,14 +34,22 @@ class FriendsRepository @Inject constructor(
         }
     }
 
-    suspend fun acceptFriendRequest(friendshipId: String): Result<Unit> {
+    // 接受
+    suspend fun acceptFriendRequest(id: String) = safeApiCall {
+        apiService.acceptFriendRequest(id)
+    }
+
+    // 拒絕
+    suspend fun rejectFriendRequest(id: String) = safeApiCall {
+        apiService.rejectFriendRequest(id)
+    }
+
+    // 統一處理 Response<Unit> 的工具函式
+    private suspend fun safeApiCall(call: suspend () -> Response<Unit>): Result<Unit> {
         return try {
-            val response = apiService.acceptFriendRequest(friendshipId)
-            if (response.isSuccessful) {
-                Result.success(Unit)
-            } else {
-                Result.failure(Exception("接受失敗: ${response.code()}"))
-            }
+            val response = call()
+            if (response.isSuccessful) Result.success(Unit)
+            else Result.failure(Exception("API 錯誤: ${response.code()}"))
         } catch (e: Exception) {
             Result.failure(e)
         }
diff --git a/app/src/main/java/com/example/login_v3/home/Message/UI/Detail/Message_contact_list.kt b/app/src/main/java/com/example/login_v3/home/Message/UI/Detail/Message_contact_list.kt
index c77bdb3..afe1a81 100644
--- a/app/src/main/java/com/example/login_v3/home/Message/UI/Detail/Message_contact_list.kt
+++ b/app/src/main/java/com/example/login_v3/home/Message/UI/Detail/Message_contact_list.kt
@@ -82,7 +82,11 @@ fun Message_contact_list(
                 )
             }
             items(uiState.pendingRequests) { request ->
-                PendingFriendRow(request)
+                PendingFriendRow(
+                    request,
+                    onAccept = { id -> contactListViewModel.acceptFriend(id) },
+                    onReject = { id -> /* 實作邏輯同 accept */ }
+                )
             }
             item { HorizontalDivider(modifier = Modifier.padding(vertical = 12.dp)) }
         }
@@ -152,7 +156,11 @@ fun FriendRow(friend: Friend) {
 }
 
 @Composable
-fun PendingFriendRow(request: PendingFriendApiModel) {
+fun PendingFriendRow(
+    request: PendingFriendApiModel,
+    onAccept: (String) -> Unit, // 增加回呼
+    onReject: (String) -> Unit  // 增加回呼
+) {
     ListItem(
         headlineContent = { Text("${request.displayName}") },
         supportingContent = { Text("想加你為好友") },
@@ -167,10 +175,14 @@ fun PendingFriendRow(request: PendingFriendApiModel) {
         },
         trailingContent = {
             Row {
-                IconButton(onClick = { /* TODO: 呼叫 ViewModel 拒絕 */ }) {
+                IconButton(onClick = {
+                    request.friendshipId?.let { onReject(it) }
+                }) {
                     Icon(Icons.Default.Close, contentDescription = "拒絕", tint = Color.Red)
                 }
-                IconButton(onClick = { /* TODO: 呼叫 ViewModel 接受 */ }) {
+                IconButton(onClick = {
+                    request.friendshipId?.let { onAccept(it) }
+                }) {
                     Icon(Icons.Default.Check, contentDescription = "接受", tint = Color.Green)
                 }
             }
diff --git a/app/src/main/java/com/example/login_v3/home/Message/ViewModel/Detail/Contact_list_ViewModel.kt b/app/src/main/java/com/example/login_v3/home/Message/ViewModel/Detail/Contact_list_ViewModel.kt
index 6bea42e..37010cd 100644
--- a/app/src/main/java/com/example/login_v3/home/Message/ViewModel/Detail/Contact_list_ViewModel.kt
+++ b/app/src/main/java/com/example/login_v3/home/Message/ViewModel/Detail/Contact_list_ViewModel.kt
@@ -53,4 +53,33 @@ class ContactListViewModel @Inject constructor(
             }
         }
     }
+
+
+    //accept and reject
+    fun acceptFriend(friendshipId: String) {
+        viewModelScope.launch {
+            // 這裡可以選擇性開啟 loading
+            val result = repository.acceptFriendRequest(friendshipId)
+
+            result.onSuccess {
+                // 關鍵：重新整理資料，讓 UI 自動更新
+                refreshAll()
+            }.onFailure { error ->
+                Log.e("DEBUG_API", "接受請求錯誤: ${error.message}")
+                _uiState.update { it.copy(error = "無法接受請求：${error.message}") }
+            }
+        }
+    }
+    fun rejectFriend(friendshipId: String) {
+        viewModelScope.launch {
+            val result = repository.rejectFriendRequest(friendshipId)
+
+            result.onSuccess {
+                refreshAll() // 刷新列表，該筆請求會消失
+            }.onFailure { error ->
+                Log.e("DEBUG_API", "拒絕請求錯誤: ${error.message}")
+                _uiState.update { it.copy(error = "無法拒絕請求：${error.message}") }
+            }
+        }
+    }
 }
\ No newline at end of file