diff --git a/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java b/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
index 1adb26e..154f63c 100644
--- a/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
+++ b/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
@@ -16,12 +16,15 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepOneValida
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepOneValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepTwoValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepTwoValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepOneService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepTwoService;
+import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepThreeService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -56,6 +59,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ProductDevelopmentFactorsStepTwoService productDevelopmentFactorsStepTwoService;
 
+    @Autowired
+    private ProductDevelopmentFactorsStepThreeService productDevelopmentFactorsStepThreeService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -153,6 +159,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/product-development-factors/step-3/validate")
+    @ApiOperation("产品开发关键因素第三步校验")
+    public ResultEntity<ProductDevelopmentFactorsStepThreeValidationResult> validateProductDevelopmentFactorsStepThree(
+            @RequestBody ProductDevelopmentFactorsStepThreeValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", productDevelopmentFactorsStepThreeService.validate(answer, TokenProvider.getJWTUser(request)));
+        } catch (ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @DeleteMapping("/{taskKey}")
     @ApiOperation("删除当前学生指定实训任务答案")
     public ResultEntity delete(@PathVariable String taskKey,
diff --git a/src/test/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerControllerTest.java b/src/test/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerControllerTest.java
index ee7c3c8..801bc42 100644
--- a/src/test/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerControllerTest.java
+++ b/src/test/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerControllerTest.java
@@ -15,12 +15,15 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepOneValida
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepOneValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepTwoValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepTwoValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepOneService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepTwoService;
+import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepThreeService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import org.junit.jupiter.api.Test;
 import org.springframework.http.HttpStatus;
@@ -135,6 +138,23 @@ class StudentTrainingAnswerControllerTest {
         verify(service).validate(any(ProductDevelopmentFactorsStepTwoValidationRequest.class), any(JwtUser.class));
     }
 
+    @Test
+    void validateProductDevelopmentFactorsStepThreeUsesTheAuthenticatedStudentAndReturnsTheValidationResult() {
+        StudentTrainingAnswerController controller = new StudentTrainingAnswerController();
+        ProductDevelopmentFactorsStepThreeService service = mock(ProductDevelopmentFactorsStepThreeService.class);
+        ReflectionTestUtils.setField(controller, "productDevelopmentFactorsStepThreeService", service);
+        ProductDevelopmentFactorsStepThreeValidationResult validation = new ProductDevelopmentFactorsStepThreeValidationResult();
+        validation.setValid(true);
+        when(service.validate(any(ProductDevelopmentFactorsStepThreeValidationRequest.class), any(JwtUser.class))).thenReturn(validation);
+
+        ResultEntity<ProductDevelopmentFactorsStepThreeValidationResult> result = controller
+                .validateProductDevelopmentFactorsStepThree(new ProductDevelopmentFactorsStepThreeValidationRequest(), authenticatedStudentRequest());
+
+        assertEquals(HttpStatus.OK, result.getStatusCode());
+        assertEquals(validation, result.getBody().getData());
+        verify(service).validate(any(ProductDevelopmentFactorsStepThreeValidationRequest.class), any(JwtUser.class));
+    }
+
     private HttpServletRequest authenticatedStudentRequest() {
         JwtUser user = new JwtUser();
         user.setUserId("stu-1");