diff --git a/src/views/package-management/series-grants/index.vue b/src/views/package-management/series-grants/index.vue
index b3c345e..af6ac11 100644
--- a/src/views/package-management/series-grants/index.vue
+++ b/src/views/package-management/series-grants/index.vue
@@ -190,7 +190,13 @@
                   <ElTableColumn label="统计范围" width="140">
                     <template #default="{ row }">
                       <ElTag size="small" type="warning">
-                        {{ row.stat_scope === 'self' ? '仅自己' : row.stat_scope === 'self_and_sub' ? '自己+下级' : '-' }}
+                        {{
+                          row.stat_scope === 'self'
+                            ? '仅自己'
+                            : row.stat_scope === 'self_and_sub'
+                              ? '自己+下级'
+                              : '-'
+                        }}
                       </ElTag>
                     </template>
                   </ElTableColumn>
@@ -289,7 +295,7 @@
                 <ElOption
                   v-for="pkg in packageOptions"
                   :key="pkg.id"
-                  :label="`${pkg.package_name} (${pkg.package_code})`"
+                  :label="pkg.package_name"
                   :value="pkg.id"
                 />
               </ElSelect>
@@ -305,19 +311,24 @@
                   class="package-item"
                 >
                   <span class="package-name">{{ getPackageName(pkg.package_id) }}</span>
-                  <ElInputNumber
-                    v-model="pkg.cost_price"
-                    :min="0"
-                    :precision="2"
-                    :step="0.01"
-                    :controls="false"
-                    placeholder="成本价(元)"
-                    style="width: 150px"
-                  />
+                  <div class="cost-price-input-wrapper">
+                    <ElInputNumber
+                      v-model="pkg.cost_price"
+                      :min="pkg.original_cost_price || 0"
+                      :precision="2"
+                      :step="0.01"
+                      :controls="false"
+                      placeholder="成本价(元)"
+                      style="width: 150px"
+                    />
+                    <span v-if="pkg.original_cost_price" class="min-cost-hint">
+                      (成本价: ¥{{ pkg.original_cost_price.toFixed(2) }})
+                    </span>
+                  </div>
                   <ElButton type="danger" size="small" @click="removePackage(index)">删除</ElButton>
                 </div>
               </div>
-              <div class="form-tip">设置每个套餐的成本价（单位：元）</div>
+              <div class="form-tip">设置每个套餐的成本价（单位：元），不能低于套餐原始成本价</div>
             </ElFormItem>
           </ElForm>
           <template #footer>
@@ -790,7 +801,7 @@
   // 获取套餐名称
   const getPackageName = (packageId: number) => {
     const pkg = packageOptions.value.find((p) => p.id === packageId)
-    return pkg ? `${pkg.package_name} (${pkg.package_code})` : `套餐ID: ${packageId}`
+    return pkg ? pkg.package_name : `套餐ID: ${packageId}`
   }
 
   // 监听套餐选择变化
@@ -803,7 +814,14 @@
     // 添加新选中的套餐
     addedIds.forEach((id) => {
       if (!form.packages.find((p: any) => p.package_id === id)) {
-        form.packages.push({ package_id: id, cost_price: 0 })
+        // 从 packageOptions 中查找套餐,获取其成本价
+        const pkg = packageOptions.value.find((p) => p.id === id)
+        const costPrice = pkg?.cost_price ? pkg.cost_price / 100 : 0 // 将分转换为元
+        form.packages.push({
+          package_id: id,
+          cost_price: costPrice,
+          original_cost_price: costPrice // 保存原始成本价用于验证
+        })
       }
     })
 
@@ -1187,20 +1205,27 @@
 
           // 设置套餐数据
           if (detail.packages && detail.packages.length > 0) {
-            form.packages = detail.packages.map((pkg) => ({
-              package_id: pkg.package_id,
-              cost_price: pkg.cost_price / 100 // 将分转换为元
-            }))
+            // 加载该系列下的套餐选项，以便获取原始成本价
+            if (detail.series_id) {
+              await loadPackageOptions()
+            }
+
+            form.packages = detail.packages.map((pkg) => {
+              // 从 packageOptions 中查找套餐以获取原始成本价
+              const pkgOption = packageOptions.value.find((p) => p.id === pkg.package_id)
+              const originalCostPrice = pkgOption?.cost_price ? pkgOption.cost_price / 100 : 0
+
+              return {
+                package_id: pkg.package_id,
+                cost_price: pkg.cost_price / 100, // 将分转换为元
+                original_cost_price: originalCostPrice // 保存原始成本价用于验证
+              }
+            })
             selectedPackageIds.value = detail.packages.map((pkg) => pkg.package_id)
           } else {
             form.packages = []
             selectedPackageIds.value = []
           }
-
-          // 加载该系列下的套餐选项
-          if (detail.series_id) {
-            await loadPackageOptions()
-          }
         }
       } catch (error) {
         console.error('获取详情失败:', error)
@@ -1507,6 +1532,18 @@
       font-size: 14px;
       color: var(--el-text-color-regular);
     }
+
+    .cost-price-input-wrapper {
+      display: flex;
+      align-items: center;
+      gap: 8px;
+
+      .min-cost-hint {
+        font-size: 12px;
+        color: var(--el-text-color-secondary);
+        white-space: nowrap;
+      }
+    }
   }
 
   .info-row {