diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/ExamKnowledgePoints.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/knowledge/ExamKnowledgePoints.java
similarity index 100%
rename from exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/ExamKnowledgePoints.java
rename to exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/knowledge/ExamKnowledgePoints.java
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/ExamSpecialty.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/specialty/ExamSpecialty.java
similarity index 100%
rename from exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/ExamSpecialty.java
rename to exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/specialty/ExamSpecialty.java
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/ExamKnowledgePointsMapper.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/knowledge/ExamKnowledgePointsMapper.java
similarity index 100%
rename from exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/ExamKnowledgePointsMapper.java
rename to exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/knowledge/ExamKnowledgePointsMapper.java
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/ExamSpecialtyMapper.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/specialty/ExamSpecialtyMapper.java
similarity index 100%
rename from exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/ExamSpecialtyMapper.java
rename to exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/specialty/ExamSpecialtyMapper.java