diff --git a/src/main/java/com/spring/modules/test/controller/TestInformationController.java b/src/main/java/com/spring/modules/test/controller/TestInformationController.java
index d7057872..e9e2428b 100644
--- a/src/main/java/com/spring/modules/test/controller/TestInformationController.java
+++ b/src/main/java/com/spring/modules/test/controller/TestInformationController.java
@@ -295,4 +295,18 @@ public class TestInformationController {
         TestInformationEntity row  = testInformationService.getTestRemarkEntry(data);
         return R.ok().put("row", row);
     }
+
+    /**
+     * @description: 更新测试主信息的材料总金额
+     * @author: AI Assistant
+     * @date: 2025/11/18
+     * @param: [data]
+     * @return: com.spring.common.utils.R
+     **/
+    @PostMapping(value="/updateMaterialTotalAmount")
+    @ResponseBody
+    public R updateMaterialTotalAmount(@RequestBody TestInformationVo data) {
+        testInformationService.updateMaterialTotalAmount(data);
+        return R.ok("更新成功");
+    }
 }
diff --git a/src/main/java/com/spring/modules/test/service/TestInformationService.java b/src/main/java/com/spring/modules/test/service/TestInformationService.java
index d61bf502..e0ad50ca 100644
--- a/src/main/java/com/spring/modules/test/service/TestInformationService.java
+++ b/src/main/java/com/spring/modules/test/service/TestInformationService.java
@@ -58,4 +58,6 @@ public interface TestInformationService extends IService<TestInformationEntity>
     void testInfoEditEntry(TestInformationVo data);
 
     TestInformationEntity getTestRemarkEntry(TestInformationVo data);
+
+    void updateMaterialTotalAmount(TestInformationVo data);
 }
diff --git a/src/main/java/com/spring/modules/test/service/impl/TestInformationServiceImpl.java b/src/main/java/com/spring/modules/test/service/impl/TestInformationServiceImpl.java
index e9668c91..9b342af9 100644
--- a/src/main/java/com/spring/modules/test/service/impl/TestInformationServiceImpl.java
+++ b/src/main/java/com/spring/modules/test/service/impl/TestInformationServiceImpl.java
@@ -202,6 +202,19 @@ public class TestInformationServiceImpl extends ServiceImpl<TestInformationMappe
         }
     }
 
+    /**
+     * 更新测试主信息的材料总金额
+     * @param data
+     */
+    @Override
+    @Transactional
+    public void updateMaterialTotalAmount(TestInformationVo data) {
+        UpdateWrapper<TestInformationEntity> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.eq("test_no", data.getTestNo())
+                .set("material_total_amount", data.getMaterialTotalAmount());
+        testInformationMapper.update(null, updateWrapper);
+    }
+
     /**
      * 下达
      * @param data