diff --git a/src/components/inventory/StockAdjustmentDialog.vue b/src/components/inventory/StockAdjustmentDialog.vue
index 3c8f9db9..789e0a60 100644
--- a/src/components/inventory/StockAdjustmentDialog.vue
+++ b/src/components/inventory/StockAdjustmentDialog.vue
@@ -1,10 +1,10 @@
 <template>
   <el-dialog
-      v-model="dialogVisible"
-      :title="dialogTitle"
-      width="400px"
-      :close-on-click-modal="false"
-      @close="handleClose"
+    v-model="dialogVisible"
+    :title="dialogTitle"
+    width="400px"
+    :close-on-click-modal="false"
+    @close="handleClose"
   >
     <el-form :model="form" :rules="rules" ref="formRef" label-width="80px">
       <el-form-item label="原料名称">
@@ -16,15 +16,32 @@
           <el-radio label="out">取出</el-radio>
         </el-radio-group>
       </el-form-item>
+      <el-form-item label="变更类型" prop="source_type">
+        <el-select v-model="form.source_type" placeholder="请选择变更类型" style="width: 100%;">
+          <el-option
+            v-for="item in availableSourceTypes"
+            :key="item.value"
+            :label="item.label"
+            :value="item.value"
+          ></el-option>
+        </el-select>
+      </el-form-item>
       <el-form-item label="变动数量" prop="change_amount">
-        <el-input-number
-            v-model="form.change_amount"
-            :min="1"
-            :precision="0"
-            :step="1000"
+        <el-input-group class="stock-adjustment-input-group">
+          <el-input-number
+            v-model="displayAmount"
+            :min="computedMin"
+            :precision="computedPrecision"
+            :step="computedStep"
             controls-position="right"
-            style="width: 100%;"
-        ></el-input-number>
+          ></el-input-number>
+          <template #append>
+            <el-select v-model="unit" placeholder="单位" style="width: 80px;">
+              <el-option label="g" value="g"></el-option>
+              <el-option label="kg" value="kg"></el-option>
+            </el-select>
+          </template>
+        </el-input-group>
       </el-form-item>
       <el-form-item label="备注" prop="remarks">
         <el-input v-model="form.remarks" type="textarea" :rows="2"></el-input>
@@ -40,9 +57,10 @@
 </template>
 
 <script>
-import {ref, reactive, computed, watch} from 'vue';
-import {ElMessage} from 'element-plus';
-import {InventoryApi} from '../../api/inventory';
+import { ref, reactive, computed, watch } from 'vue';
+import { ElMessage } from 'element-plus';
+import { InventoryApi } from '../../api/inventory';
+import { StockLogSourceType } from '../../enums'; // 导入 StockLogSourceType
 
 export default {
   name: 'StockAdjustmentDialog',
@@ -55,22 +73,20 @@ export default {
       type: Object,
       default: () => ({}),
     },
-    operationType: {
-      type: String,
-      default: 'in', // 'in' or 'out'
-    },
   },
   emits: ['update:visible', 'success'],
-  setup(props, {emit}) {
+  setup(props, { emit }) {
     const formRef = ref(null);
     const dialogVisible = computed({
       get: () => props.visible,
       set: (val) => emit('update:visible', val),
     });
 
+    const unit = ref('g'); // 默认单位为克
     const form = reactive({
-      operationType: props.operationType,
-      change_amount: 1000,
+      operationType: 'in', // 默认存入
+      source_type: StockLogSourceType.MANUAL, // 默认变更类型
+      change_amount: 1000, // 内部始终以克为单位
       remarks: '',
     });
 
@@ -78,25 +94,94 @@ export default {
       return form.operationType === 'in' ? '存入库存' : '取出库存';
     });
 
-    watch(() => props.operationType, (newType) => {
-      form.operationType = newType;
+    // 定义存入和取出对应的变更类型
+    const inSourceTypes = [
+      { value: StockLogSourceType.PURCHASE, label: '采购入库' },
+      { value: StockLogSourceType.FERMENT_END, label: '发酵入库' },
+      { value: StockLogSourceType.MANUAL, label: '手动盘点' },
+    ];
+
+    const outSourceTypes = [
+      { value: StockLogSourceType.FEEDING, label: '饲喂出库' },
+      { value: StockLogSourceType.DETERIORATE, label: '变质出库' },
+      { value: StockLogSourceType.SALE, label: '售卖出库' },
+      { value: StockLogSourceType.MISCELLANEOUS, label: '杂用领取' },
+      { value: StockLogSourceType.FERMENT_START, label: '发酵出库' },
+      { value: StockLogSourceType.MANUAL, label: '手动盘点' },
+    ];
+
+    // 根据操作类型动态计算可用的变更类型
+    const availableSourceTypes = computed(() => {
+      const types = form.operationType === 'in' ? inSourceTypes : outSourceTypes;
+      // 如果当前选中的 source_type 不在新的可用列表中，则重置为第一个可用类型或 MANUAL
+      if (!types.some(item => item.value === form.source_type)) {
+        form.source_type = types.length > 0 ? types[0].value : StockLogSourceType.MANUAL;
+      }
+      return types;
+    });
+
+    // 计算属性：用于 el-input-number 的显示值和输入值转换
+    const displayAmount = computed({
+      get() {
+        if (unit.value === 'kg') {
+          return form.change_amount / 1000;
+        }
+        return form.change_amount;
+      },
+      set(val) {
+        if (unit.value === 'kg') {
+          form.change_amount = val * 1000;
+        } else {
+          form.change_amount = val;
+        }
+      },
+    });
+
+    // 计算属性：el-input-number 的步长
+    const computedStep = computed(() => {
+      return unit.value === 'kg' ? 0.1 : 100;
+    });
+
+    // 计算属性：el-input-number 的精度
+    const computedPrecision = computed(() => {
+      return unit.value === 'kg' ? 2 : 0;
+    });
+
+    // 计算属性：el-input-number 的最小值
+    const computedMin = computed(() => {
+      return unit.value === 'kg' ? 0.001 : 1;
     });
 
     watch(() => props.visible, (newVal) => {
       if (newVal) {
-        // 弹窗打开时重置表单
-        form.change_amount = 1000;
+        // 弹窗打开时重置表单和单位
+        form.change_amount = 1000; // 默认1000克
         form.remarks = '';
-        form.operationType = props.operationType;
+        form.operationType = 'in'; // 默认存入
+        form.source_type = StockLogSourceType.MANUAL; // 默认变更类型
+        unit.value = 'g'; // 默认单位为克
         formRef.value?.clearValidate();
       }
     });
 
     const rules = {
+      source_type: [
+        { required: true, message: '请选择变更类型', trigger: 'change' },
+      ],
       change_amount: [
-        {required: true, message: '请输入变动数量', trigger: 'blur'},
-        {type: 'number', message: '数量必须为数字', trigger: 'blur'},
-        {min: 1, message: '数量必须大于0', trigger: 'blur'},
+        {
+          required: true,
+          message: '请输入变动数量',
+          trigger: 'blur',
+          // 验证器直接作用于内部的 form.change_amount (克)
+          validator: (rule, value, callback) => {
+            if (form.change_amount === null || form.change_amount === undefined || form.change_amount <= 0) {
+              callback(new Error('数量必须大于0'));
+            } else {
+              callback();
+            }
+          },
+        },
       ],
     };
 
@@ -104,10 +189,10 @@ export default {
       try {
         await formRef.value.validate();
 
-        let finalChangeAmount = form.change_amount;
+        let finalChangeAmount = form.change_amount; // form.change_amount 已经是克
         if (form.operationType === 'out') {
           finalChangeAmount = -finalChangeAmount;
-          // 检查是否超出库存
+          // 检查是否超出库存 (props.rawMaterial.stock 也是克)
           if (props.rawMaterial.stock + finalChangeAmount < 0) {
             ElMessage.error('取出数量不能大于当前库存！');
             return;
@@ -117,6 +202,7 @@ export default {
         const data = {
           raw_material_id: props.rawMaterial.raw_material_id,
           change_amount: finalChangeAmount,
+          source_type: form.source_type, // 添加 source_type
           remarks: form.remarks,
         };
 
@@ -144,11 +230,39 @@ export default {
       rules,
       handleSubmit,
       handleClose,
+      unit,
+      displayAmount,
+      computedStep,
+      computedPrecision,
+      computedMin,
+      availableSourceTypes, // 暴露给模板
     };
   },
 };
 </script>
 
 <style scoped>
-/* 可以添加一些样式 */
+/* 确保 el-input-group 的 append 部分正确显示 */
+.stock-adjustment-input-group {
+  display: flex;
+  width: 100%; /* 确保 input-group 占据可用宽度 */
+}
+
+/* 针对 el-input-number 内部的输入框 */
+.stock-adjustment-input-group :deep(.el-input-number) {
+  flex: 1; /* 让 el-input-number 占据剩余空间 */
+}
+
+/* 针对 el-input-group__append 内部的 el-select */
+.stock-adjustment-input-group :deep(.el-input-group__append) {
+  background-color: var(--el-fill-color-blank);
+  padding: 0;
+  /* 确保 select 宽度固定 */
+  width: 80px;
+}
+
+.stock-adjustment-input-group :deep(.el-input-group__append .el-select) {
+  margin: 0;
+  width: 100%; /* 让 select 填充 append 区域 */
+}
 </style>