Refactor operation goods form: remove edit condition for base price input, add descriptive tips for clarity, and ensure input type is set to number for better validation.

src/views/system/operationGoods/index.vue

           </el-col>
         </el-row>
 
-        <el-form-item v-show="isEdit" label="基准价格" prop="initPrice">
-          <el-input
-            v-model="form.initPrice"
-            placeholder="请输入基准价格"
-            :disabled="isEdit"
-          />
+        <el-form-item label="基准价格" prop="initPrice">
+          <el-input v-model="form.initPrice" placeholder="请输入基准价格" type="number" />
+          <p class="tips">基准价格，用于计算预警价格。</p>
         </el-form-item>
         <el-form-item label="备注" prop="remark">
           <el-input