diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 02b4032..8365c24 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -48,6 +48,10 @@
         <activity
             android:name=".DateCheckerActivity"
             android:exported="false" />
+
+        <activity
+            android:name=".ShiftPatternActivity"
+            android:exported="false" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/kotlin/plus/rua/project/MainActivity.kt b/app/src/main/kotlin/plus/rua/project/MainActivity.kt
index f9a24a4..7760b68 100644
--- a/app/src/main/kotlin/plus/rua/project/MainActivity.kt
+++ b/app/src/main/kotlin/plus/rua/project/MainActivity.kt
@@ -21,6 +21,9 @@ class MainActivity : BaseActivity() {
                     },
                     onNavigateToTools = {
                         startActivityWithSlide(Intent(this, ToolsActivity::class.java))
+                    },
+                    onNavigateToShiftSettings = {
+                        startActivityWithSlide(Intent(this, ShiftPatternActivity::class.java))
                     }
                 )
             }
diff --git a/app/src/main/kotlin/plus/rua/project/ShiftPatternActivity.kt b/app/src/main/kotlin/plus/rua/project/ShiftPatternActivity.kt
new file mode 100644
index 0000000..18ddb51
--- /dev/null
+++ b/app/src/main/kotlin/plus/rua/project/ShiftPatternActivity.kt
@@ -0,0 +1,18 @@
+package plus.rua.project
+
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import plus.rua.project.ui.ShiftPatternScreen
+import plus.rua.project.ui.theme.YaYaTheme
+
+class ShiftPatternActivity : BaseActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent {
+            YaYaTheme {
+                ShiftPatternScreen(onBack = { finishWithSlideBack() })
+            }
+        }
+    }
+}
diff --git a/core/src/main/kotlin/plus/rua/project/ui/ShiftCalendarGrid.kt b/core/src/main/kotlin/plus/rua/project/ui/ShiftCalendarGrid.kt
new file mode 100644
index 0000000..7d0a658
--- /dev/null
+++ b/core/src/main/kotlin/plus/rua/project/ui/ShiftCalendarGrid.kt
@@ -0,0 +1,229 @@
+package plus.rua.project.ui
+
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.background
+import androidx.compose.foundation.combinedClickable
+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.aspectRatio
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ChevronLeft
+import androidx.compose.material.icons.filled.ChevronRight
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+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.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import kotlinx.datetime.DatePeriod
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.Month
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.isoDayNumber
+import kotlinx.datetime.minus
+import kotlinx.datetime.number
+import kotlinx.datetime.plus
+import kotlinx.datetime.todayIn
+import kotlin.time.Clock
+import plus.rua.project.PhaseBreak
+import plus.rua.project.ShiftKind
+import plus.rua.project.ShiftPattern
+
+/**
+ * 班次设置页用的迷你月历。点某天翻转班/休,长按设/清相位断点。
+ *
+ * 月份可前后翻页,每格显示日期数字与班次角标(班/休/断)。
+ * 点击翻转该天的班/休 override;长按切换相位断点。
+ *
+ * @param pattern 当前轮班配置(只读),由 [onPatternChange] 修改
+ * @param onPatternChange 修改后的新 pattern 回调
+ * @param modifier 外部布局修饰符
+ */
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun ShiftCalendarGrid(
+    pattern: ShiftPattern,
+    onPatternChange: (ShiftPattern) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val today = remember { Clock.System.todayIn(TimeZone.currentSystemDefault()) }
+    var viewYear by remember { mutableStateOf(today.year) }
+    var viewMonth by remember { mutableStateOf(today.month.number) }
+
+    val firstOfMonth = LocalDate(viewYear, Month(viewMonth), 1)
+    val daysInMonth = firstOfMonth.plus(DatePeriod(months = 1)).minus(DatePeriod(days = 1)).day
+    val firstWeekdayOffset = firstOfMonth.dayOfWeek.isoDayNumber - 1
+
+    Card(
+        modifier = modifier.fillMaxWidth(),
+        shape = RoundedCornerShape(12.dp),
+        elevation = CardDefaults.cardElevation(defaultElevation = 0.dp),
+        colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceContainerLow)
+    ) {
+        Column(Modifier.padding(8.dp)) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                IconButton(onClick = {
+                    if (viewMonth == 1) { viewMonth = 12; viewYear -= 1 } else viewMonth -= 1
+                }) {
+                    Icon(Icons.Filled.ChevronLeft, contentDescription = "上个月")
+                }
+                Text(
+                    text = "${viewYear}年 ${viewMonth}月",
+                    style = MaterialTheme.typography.titleSmall,
+                    fontWeight = FontWeight.SemiBold
+                )
+                IconButton(onClick = {
+                    if (viewMonth == 12) { viewMonth = 1; viewYear += 1 } else viewMonth += 1
+                }) {
+                    Icon(Icons.Filled.ChevronRight, contentDescription = "下个月")
+                }
+            }
+
+            val weekTitles = listOf("一", "二", "三", "四", "五", "六", "日")
+            Row(Modifier.fillMaxWidth()) {
+                weekTitles.forEach { w ->
+                    Text(
+                        text = w,
+                        modifier = Modifier.weight(1f),
+                        style = MaterialTheme.typography.labelSmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        textAlign = TextAlign.Center
+                    )
+                }
+            }
+
+            (0 until 6).forEach { row ->
+                Row(Modifier.fillMaxWidth()) {
+                    (0 until 7).forEach { col ->
+                        val cellIndex = row * 7 + col
+                        val dayNum = cellIndex - firstWeekdayOffset + 1
+                        if (dayNum in 1..daysInMonth) {
+                            val date = LocalDate(viewYear, Month(viewMonth), dayNum)
+                            ShiftDayCell(
+                                date = date,
+                                pattern = pattern,
+                                onClick = { onPatternChange(toggleOverride(pattern, date)) },
+                                onLongClick = { onPatternChange(togglePhaseBreak(pattern, date)) },
+                                modifier = Modifier.weight(1f)
+                            )
+                        } else {
+                            Box(Modifier.weight(1f).aspectRatio(1f))
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+/**
+ * 翻转某天的班/休 override。翻转后若与基础周期值一致,则移除 override。
+ */
+private fun toggleOverride(pattern: ShiftPattern, date: LocalDate): ShiftPattern {
+    val current = pattern.kindAt(date) ?: return pattern
+    val newVal = if (current == ShiftKind.WORK) ShiftKind.OFF else ShiftKind.WORK
+    val tempPattern = pattern.copy(overrides = pattern.overrides - date)
+    val base = tempPattern.kindAt(date)
+    val newOverrides = if (newVal == base) pattern.overrides - date
+                       else pattern.overrides + (date to newVal)
+    return pattern.copy(overrides = newOverrides)
+}
+
+/**
+ * 切换某天的相位断点:已有则清除,没有则新增(cycleOffset=0)。
+ */
+private fun togglePhaseBreak(pattern: ShiftPattern, date: LocalDate): ShiftPattern {
+    val existing = pattern.phaseBreaks.find { it.date == date }
+    return if (existing != null) {
+        pattern.copy(phaseBreaks = pattern.phaseBreaks - existing)
+    } else {
+        pattern.copy(phaseBreaks = pattern.phaseBreaks + PhaseBreak(date, 0))
+    }
+}
+
+/**
+ * 迷你月历的单日格子。显示日期数字与班次角标。
+ *
+ * @param date 该格对应的日期
+ * @param pattern 当前轮班配置(只读)
+ * @param onClick 点击回调(翻转班/休)
+ * @param onLongClick 长按回调(设/清相位断点)
+ * @param modifier 外部布局修饰符
+ */
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+private fun ShiftDayCell(
+    date: LocalDate,
+    pattern: ShiftPattern,
+    onClick: () -> Unit,
+    onLongClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val kind = pattern.kindAt(date)
+    val isBreak = pattern.phaseBreaks.any { it.date == date }
+
+    val badgeColor = when {
+        isBreak -> MaterialTheme.colorScheme.tertiary
+        kind == ShiftKind.WORK -> MaterialTheme.colorScheme.primary
+        kind == ShiftKind.OFF -> MaterialTheme.colorScheme.error
+        else -> Color.Transparent
+    }
+    val badgeText = when {
+        isBreak -> "断"
+        kind == ShiftKind.WORK -> "班"
+        kind == ShiftKind.OFF -> "休"
+        else -> ""
+    }
+
+    Box(
+        modifier = modifier
+            .aspectRatio(1f)
+            .combinedClickable(onClick = onClick, onLongClick = onLongClick),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(
+            text = date.day.toString(),
+            fontSize = 13.sp,
+            color = MaterialTheme.colorScheme.onSurface
+        )
+        if (badgeText.isNotEmpty()) {
+            Box(
+                modifier = Modifier
+                    .align(Alignment.TopEnd)
+                    .padding(top = 2.dp, end = 2.dp)
+                    .background(badgeColor, CircleShape)
+                    .padding(horizontal = 3.dp, vertical = 1.dp)
+            ) {
+                Text(
+                    text = badgeText,
+                    color = MaterialTheme.colorScheme.onPrimary,
+                    fontSize = 8.sp,
+                    fontWeight = FontWeight.Bold,
+                    lineHeight = 8.sp
+                )
+            }
+        }
+    }
+}
diff --git a/core/src/main/kotlin/plus/rua/project/ui/ShiftPatternScreen.kt b/core/src/main/kotlin/plus/rua/project/ui/ShiftPatternScreen.kt
new file mode 100644
index 0000000..ea35306
--- /dev/null
+++ b/core/src/main/kotlin/plus/rua/project/ui/ShiftPatternScreen.kt
@@ -0,0 +1,215 @@
+package plus.rua.project.ui
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ChevronLeft
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.DatePicker
+import androidx.compose.material3.DatePickerDialog
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FilterChip
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.rememberDatePickerState
+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.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.atStartOfDayIn
+import kotlinx.datetime.toLocalDateTime
+import plus.rua.project.CalendarViewModel
+import plus.rua.project.ShiftKind
+import plus.rua.project.ShiftPattern
+import plus.rua.project.ShiftPatternStorage
+import kotlin.time.Instant
+
+/**
+ * 班次设置页。照抄 DateCheckerScreen 的 storage 创建 + 自动存盘模式。
+ *
+ * 用户在页面内修改 → [LaunchedEffect] 自动存 storage → 返回主界面后
+ * CalendarViewModel.onResume 重读 → 日历立即刷新。
+ *
+ * 页面结构三段:
+ * 1. 基础周期:锚点日期、当前周期展示;
+ * 2. 预设方案:1班1休 / 2班2休 / 3班3休 / 4班4休 快捷切换;
+ * 3. 调班设置:迷你月历(点=翻转班/休,长按=设/清相位断点)+ 恢复默认。
+ *
+ * @param onBack 返回回调(由 Activity 触发 finishWithSlideBack)
+ */
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalLayoutApi::class)
+@Composable
+fun ShiftPatternScreen(onBack: () -> Unit) {
+    val context = LocalContext.current.applicationContext
+    val storage = remember { ShiftPatternStorage.fromContext(context) }
+    val saved = remember { storage.load() }
+    var pattern by remember { mutableStateOf(saved ?: CalendarViewModel.DEFAULT_PATTERN) }
+    LaunchedEffect(pattern) { storage.save(pattern) }
+
+    var showAnchorPicker by remember { mutableStateOf(false) }
+    var showResetDialog by remember { mutableStateOf(false) }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("班次设置") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Filled.ChevronLeft, contentDescription = "返回")
+                    }
+                }
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .verticalScroll(rememberScrollState())
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            Text("基础周期", style = MaterialTheme.typography.titleSmall, fontWeight = FontWeight.SemiBold)
+
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                shape = RoundedCornerShape(12.dp),
+                elevation = CardDefaults.cardElevation(defaultElevation = 0.dp),
+                colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceContainerLow)
+            ) {
+                Column(Modifier.padding(16.dp), verticalArrangement = Arrangement.spacedBy(12.dp)) {
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text("锚点日期", style = MaterialTheme.typography.bodyMedium)
+                        TextButton(onClick = { showAnchorPicker = true }) {
+                            Text(pattern.anchorDate.toString())
+                        }
+                    }
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text("周期", style = MaterialTheme.typography.bodyMedium)
+                        Text(
+                            pattern.cycle.joinToString(" ") { if (it == ShiftKind.WORK) "班" else "休" },
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.primary,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                    }
+                }
+            }
+
+            Text("预设方案", style = MaterialTheme.typography.labelLarge)
+            val presets = listOf(
+                "1班1休" to listOf(ShiftKind.WORK, ShiftKind.OFF),
+                "2班2休" to listOf(ShiftKind.WORK, ShiftKind.WORK, ShiftKind.OFF, ShiftKind.OFF),
+                "3班3休" to listOf(ShiftKind.WORK, ShiftKind.WORK, ShiftKind.WORK, ShiftKind.OFF, ShiftKind.OFF, ShiftKind.OFF),
+                "4班4休" to listOf(ShiftKind.WORK, ShiftKind.WORK, ShiftKind.WORK, ShiftKind.WORK, ShiftKind.OFF, ShiftKind.OFF, ShiftKind.OFF, ShiftKind.OFF)
+            )
+            FlowRow(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                presets.forEach { (label, cycle) ->
+                    FilterChip(
+                        selected = pattern.cycle == cycle,
+                        onClick = {
+                            pattern = pattern.copy(
+                                cycle = cycle,
+                                overrides = emptyMap(),
+                                phaseBreaks = emptyList()
+                            )
+                        },
+                        label = { Text(label) }
+                    )
+                }
+            }
+
+            Text("调班设置", style = MaterialTheme.typography.titleSmall, fontWeight = FontWeight.SemiBold)
+            ShiftCalendarGrid(pattern = pattern, onPatternChange = { pattern = it })
+            Text(
+                text = "点某天 = 翻转班/休,长按某天 = 设/清相位断点",
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+
+            OutlinedButton(
+                onClick = { showResetDialog = true },
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Text("恢复默认")
+            }
+        }
+    }
+
+    if (showAnchorPicker) {
+        val state = rememberDatePickerState(
+            initialSelectedDateMillis = pattern.anchorDate.toEpochMillis()
+        )
+        DatePickerDialog(
+            onDismissRequest = { showAnchorPicker = false },
+            confirmButton = {
+                TextButton(onClick = {
+                    state.selectedDateMillis?.let { pattern = pattern.copy(anchorDate = it.toLocalDate()) }
+                    showAnchorPicker = false
+                }) { Text("确定") }
+            },
+            dismissButton = {
+                TextButton(onClick = { showAnchorPicker = false }) { Text("取消") }
+            }
+        ) {
+            DatePicker(state = state)
+        }
+    }
+
+    if (showResetDialog) {
+        AlertDialog(
+            onDismissRequest = { showResetDialog = false },
+            title = { Text("恢复默认") },
+            text = { Text("将清空所有调班与断点设置,恢复为 2 班 2 休。确认?") },
+            confirmButton = {
+                TextButton(onClick = {
+                    pattern = CalendarViewModel.DEFAULT_PATTERN
+                    showResetDialog = false
+                }) { Text("确定") }
+            },
+            dismissButton = {
+                TextButton(onClick = { showResetDialog = false }) { Text("取消") }
+            }
+        )
+    }
+}
+
+private fun LocalDate.toEpochMillis(): Long =
+    this.atStartOfDayIn(TimeZone.UTC).toEpochMilliseconds()
+
+private fun Long.toLocalDate(): LocalDate =
+    Instant.fromEpochMilliseconds(this).toLocalDateTime(TimeZone.UTC).date