diff --git a/src/views/mes/task/components/TaskDetailForm.vue b/src/views/mes/task/components/TaskDetailForm.vue
index bd65e5ea..c2e40266 100644
--- a/src/views/mes/task/components/TaskDetailForm.vue
+++ b/src/views/mes/task/components/TaskDetailForm.vue
@@ -64,6 +64,7 @@
             <el-input-number
               v-model="formData.packageNumber"
               :min="0"
+              disabled
               class="!w-1/1"
               :placeholder="t('ProductionPlan.Task.detailDialogPackageNumberPlaceholder')"
             />
@@ -180,7 +181,7 @@ const formRules = reactive({
   unitId: [{ required: true, message: t('ProductionPlan.Task.validatorDetailUnitIdRequired'), trigger: 'blur' }],
   taskId: [{ required: true, message: t('ProductionPlan.Task.validatorDetailTaskIdRequired'), trigger: 'blur' }],
   number: [{ required: true, message: t('ProductionPlan.Task.validatorDetailNumberRequired'), trigger: 'blur' }],
-  packageSize: [{ required: true, message: t('ProductionPlan.Task.validatorDetailPackageSizeRequired'), trigger: 'blur' }],
+  packageSize: [],
   finishDate: [{ validator: validateFinishDate, trigger: ['change', 'blur'] }]
 })
 const formRef = ref() // 表单 Ref
@@ -241,6 +242,22 @@ const submitForm = async () => {
   }
 }
 
+/** 监听数量和每包数量变化，自动计算打包数量 */
+watch(
+  () => [formData.value.number, formData.value.packageSize],
+  ([number, packageSize]) => {
+    if (!number && number !== 0) {
+      formData.value.packageNumber = undefined
+      return
+    }
+    if (!packageSize || packageSize === 0) {
+      formData.value.packageNumber = number
+    } else {
+      formData.value.packageNumber = Math.ceil(number / packageSize)
+    }
+  }
+)
+
 /** 处理产品变更 */
 const onChangeProduct = (productId) => {
   const product = productList.value.find((item) => item.id === productId)