diff --git a/src/views/processManagement/components/processMainte/dsPartBasicInfo.vue b/src/views/processManagement/components/processMainte/dsPartBasicInfo.vue
index c7bc3ed..97d0bf1 100644
--- a/src/views/processManagement/components/processMainte/dsPartBasicInfo.vue
+++ b/src/views/processManagement/components/processMainte/dsPartBasicInfo.vue
@@ -176,7 +176,7 @@
         <el-row :gutter="24">
           <el-col :span="16">
             <!-- prop="craftWay" -->
-            <el-form-item label="工艺路线:" >
+            <el-form-item label="工艺路线:">
               {{ formData.craftWay }}
             </el-form-item>
           </el-col>
@@ -698,7 +698,26 @@ export default {
               }
             }
           }
-        
+          // 🔴 新增：子件面积校验
+          for (const item of this.data) {
+            // 1. 面积不能为空
+            if (item.area === null || item.area === undefined || item.area === '') {
+              this.$message.warning(`子件【${item.partName}】的面积不能为空`);
+              this.submitLoading = false;
+              return;
+            }
+
+            // 2. 非壳体子件，面积不能大于 1
+            if (item.sinTerType !== 2) {
+              const areaValue = parseFloat(item.area);
+              if (isNaN(areaValue) || areaValue > 1) {
+                this.$message.warning(`子件【${item.partName}】非壳体类型，面积不能大于1`);
+                this.submitLoading = false;
+                return;
+              }
+            }
+          }
+
           this.formData.childPage = this.childPage;
           this.formData.psId = this.psId;