diff --git a/frontend/src/views/teachOffice/shiftSemester/TeachingAllocationDialog.vue b/frontend/src/views/teachOffice/shiftSemester/TeachingAllocationDialog.vue
index 565d36e9a..012330faf 100644
--- a/frontend/src/views/teachOffice/shiftSemester/TeachingAllocationDialog.vue
+++ b/frontend/src/views/teachOffice/shiftSemester/TeachingAllocationDialog.vue
@@ -407,7 +407,8 @@ export default {
       }
     },
     isMonthStart(w) {
-      return w.startDate.getDate() <= 7
+      const d = new Date(String(w.startDate).replace(/-/g, '/'))
+      return !isNaN(d) && d.getDate() <= 7
     },
     shortDate(dateStr) {
       return dateStr ? String(dateStr).slice(5) : ''
diff --git a/frontend/src/views/teachOffice/shiftSemester/index.vue b/frontend/src/views/teachOffice/shiftSemester/index.vue
index f0969b641..fbf7a42f5 100644
--- a/frontend/src/views/teachOffice/shiftSemester/index.vue
+++ b/frontend/src/views/teachOffice/shiftSemester/index.vue
@@ -51,19 +51,19 @@
         <div class="list-actions">
           <el-button type="primary" icon="el-icon-plus" @click="handleBatchAdd">批量创建班次学期</el-button>
           <el-button type="primary" plain icon="el-icon-document-add" @click="handleAdd">新增</el-button>
-          <el-button type="primary" plain icon="el-icon-edit" :disabled="!currentRow" @click="handleEdit()">编辑</el-button>
+          <el-button type="primary" plain icon="el-icon-edit" :disabled="selection.length !== 1" @click="handleEdit()">编辑</el-button>
           <el-button type="danger" plain icon="el-icon-delete" :disabled="!selection.length" @click="handleDelete">删除所选</el-button>
           <el-button type="primary" plain icon="el-icon-date" :disabled="!selection.length" @click="handleQuickSetDates">快速设定学期日期</el-button>
-          <el-button type="primary" plain icon="el-icon-download" :disabled="!currentRow" @click="handleAbsorbDates">吸取预设日期</el-button>
+          <el-button type="primary" plain icon="el-icon-download" :disabled="selection.length !== 1" @click="handleAbsorbDates">吸取预设日期</el-button>
           <el-button type="primary" plain icon="el-icon-notebook-2" :disabled="!selection.length" @click="handleSetJxrw">批量设置教学任务</el-button>
           <el-button type="primary" plain :disabled="!selection.length" @click="handleSetXqdc">批量学期第次</el-button>
           <el-button type="primary" plain :disabled="!selection.length" @click="handleSetKfjypk">开放教员排课</el-button>
           <el-button type="warning" plain :disabled="selection.length < 2" @click="handleWaveMerge">预设合班</el-button>
           <el-button type="warning" plain :disabled="!selection.length" @click="handleWaveSplit">预设拆班</el-button>
           <el-button type="primary" plain :disabled="!selection.length" @click="handleBatchGenerateTasks">批量生成必修课程</el-button>
-          <el-button type="success" plain icon="el-icon-date" :disabled="!currentRow" @click="handleEditEventCalendar()">编辑班历</el-button>
-          <el-button type="success" plain icon="el-icon-calendar" :disabled="!currentRow" @click="handleEditCalendar()">编辑班次教学任务</el-button>
-          <el-button type="success" plain icon="el-icon-data-line" :disabled="!currentRow" @click="handleAllocation()">教学配当</el-button>
+          <el-button type="success" plain icon="el-icon-date" :disabled="selection.length !== 1" @click="handleEditEventCalendar()">编辑班历</el-button>
+          <el-button type="success" plain icon="el-icon-calendar" :disabled="selection.length !== 1" @click="handleEditCalendar()">编辑班次教学任务</el-button>
+          <el-button type="success" plain icon="el-icon-data-line" :disabled="selection.length !== 1" @click="handleAllocation()">教学配当</el-button>
           <el-button type="success" plain icon="el-icon-download" :disabled="!selection.length" @click="handleExportAllocation">导出配当</el-button>
           <el-button type="primary" plain icon="el-icon-upload2" :disabled="!selection.length" @click="handlePublishRunning">发布运行课表</el-button>
           <el-button type="danger" plain icon="el-icon-delete-solid" :disabled="!selection.length" @click="handleWithdrawRunning">删除运行课表</el-button>
@@ -81,7 +81,6 @@
         class="class-table"
         :row-class-name="waveRowClass"
         @selection-change="handleSelectionChange"
-        @current-change="handleCurrentChange"
       >
         <template slot="empty">
           <span>无数据！</span>
@@ -207,7 +206,7 @@
         </el-form-item>
         <el-form-item>
           <el-button size="small" @click="loadBatchPreset">按学校学期带出日期</el-button>
-          <el-button size="small" :disabled="!currentRow" @click="absorbIntoBatch">吸取选中班次日期</el-button>
+          <el-button size="small" :disabled="selection.length !== 1" @click="absorbIntoBatch">吸取选中班次日期</el-button>
         </el-form-item>
         <el-alert
           type="info"
@@ -360,7 +359,6 @@ export default {
       // ==================== 列表与分页 ====================
       tableData: [],
       selection: [],
-      currentRow: null,
       pageNum: 1,
       pageSize: 10,
       total: 0,
@@ -552,9 +550,6 @@ export default {
     handleSelectionChange(rows) {
       this.selection = rows
     },
-    handleCurrentChange(row) {
-      this.currentRow = row
-    },
 
     /* ==================== 查询 / 重置 ==================== */
     handleQuery() {
@@ -577,7 +572,7 @@ export default {
       this.detailVisible = true
     },
     handleEdit(row) {
-      const target = row || this.currentRow
+      const target = row || this.selection[0]
       if (!target) {
         this.$message.warning('请先选择一条班次学期信息')
         return
@@ -637,7 +632,7 @@ export default {
     },
 
     handleEditEventCalendar(row) {
-      const target = row || this.currentRow
+      const target = row || this.selection[0]
       if (!target) {
         this.$message.warning('请先在列表中选择一条班次学期信息')
         return
@@ -648,7 +643,7 @@ export default {
 
     // 跳转到排课窗口，并带上当前班次学期编号
     handleSchedule(row) {
-      const target = row || this.currentRow
+      const target = row || this.selection[0]
       if (!target) {
         this.$message.warning('请先在列表中选择一条班次学期信息')
         return
@@ -662,7 +657,7 @@ export default {
     },
 
     handleAllocation(row) {
-      const target = row || this.currentRow
+      const target = row || this.selection[0]
       if (!target) {
         this.$message.warning('请先在列表中选择一条班次学期信息')
         return
@@ -770,7 +765,7 @@ export default {
 
     /* ==================== 编辑班次教学任务 ==================== */
     handleEditCalendar(row) {
-      const target = row || this.currentRow
+      const target = row || this.selection[0]
       if (!target) {
         this.$message.warning('请先在列表中选择一条班次学期信息')
         return
@@ -809,8 +804,8 @@ export default {
       })
     },
     absorbIntoBatch() {
-      if (!this.currentRow) return
-      this.absorbDatesFrom(this.currentRow)
+      if (this.selection.length !== 1) return
+      this.absorbDatesFrom(this.selection[0])
       this.batchAddForm.startTime = this.presetDates.kxrq
       this.batchAddForm.endTime = this.presetDates.jsrq
     },
@@ -837,11 +832,11 @@ export default {
       })
     },
     handleAbsorbDates() {
-      if (!this.currentRow) {
-        this.$message.warning('请先选中一条班次学期')
+      if (this.selection.length !== 1) {
+        this.$message.warning('请勾选一条班次学期')
         return
       }
-      this.absorbDatesFrom(this.currentRow)
+      this.absorbDatesFrom(this.selection[0])
       this.$message.success(`已吸取开学日期 ${this.presetDates.kxrq}、结束日期 ${this.presetDates.jsrq}`)
     },
     absorbDatesFrom(row) {