diff --git a/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java b/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
index c3d21a5..7b4d0fe 100644
--- a/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
+++ b/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
@@ -187,9 +187,9 @@ public class ClassicCategoryApplicationServiceImpl implements ClassicCategoryApp
                 dto.setParentId(0L);
             }
         }
-        // 名称去重（同父级下不可重名）
+        // 名称去重（同父级下不可重名，区分大小写）
         LambdaQueryWrapper<ClassicCategoryEntity> duplicateQuery = new LambdaQueryWrapper<ClassicCategoryEntity>()
-                .eq(ClassicCategoryEntity::getName, dto.getName())
+                .apply("BINARY name = {0}", dto.getName())
                 .eq(ClassicCategoryEntity::getParentId, dto.getParentId());
         if (dto.getId() != null) {
             duplicateQuery.ne(ClassicCategoryEntity::getId, dto.getId());
@@ -227,9 +227,9 @@ public class ClassicCategoryApplicationServiceImpl implements ClassicCategoryApp
             return Result.success(entity.toDTO(ClassicCategoryDTO::new));
         }
 
-        // 4. 同父级下重名校验
+        // 4. 同父级下重名校验（区分大小写）
         LambdaQueryWrapper<ClassicCategoryEntity> duplicateQuery = new LambdaQueryWrapper<ClassicCategoryEntity>()
-                .eq(ClassicCategoryEntity::getName, name)
+                .apply("BINARY name = {0}", name)
                 .eq(ClassicCategoryEntity::getParentId, entity.getParentId())
                 .ne(ClassicCategoryEntity::getId, id);
         if (classicCategoryBaseService.count(duplicateQuery) > 0) {
diff --git a/src/main/resources/application-test.yml b/src/main/resources/application-test.yml
index 7d49b35..f1feb73 100644
--- a/src/main/resources/application-test.yml
+++ b/src/main/resources/application-test.yml
@@ -67,8 +67,8 @@ analysis:
   url: /word/parse
 dataExtract:
   url: http://127.0.0.1:8002/ai-check/api/documents-parse
-  callback-url: http://127.0.0.1:7088/api/interaction/dataExtractCallback
-ding:
+  callback-url: http://127.0.0.1/evaluator-api/api/interaction/dataExtractCallback
+  ding:
   appKey: dinggl2ktuhdhoczkg2o
   appSecret: nK104mgXPbkCWjX1I-EcYiubjM0FJAYcfqBKPkVcyvrBsLMF9XK1g9Qd_QVOndcK
   agentId: 4283077101