diff --git a/web/src/main/java/cn/jlw/util/excel/ExcelSelector.java b/web/src/main/java/cn/jlw/util/excel/ExcelSelector.java
index 0f043203..6a228635 100644
--- a/web/src/main/java/cn/jlw/util/excel/ExcelSelector.java
+++ b/web/src/main/java/cn/jlw/util/excel/ExcelSelector.java
@@ -17,7 +17,7 @@ public @interface ExcelSelector {
     /**
      * 分隔符标记
      */
-    public String ID_SEPARATOR = "'___ID:'";
+    String ID_SEPARATOR = "___ID:";
 
     /**
      * 固定数据
diff --git a/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourseMergeResourcesQuestion.java b/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourseMergeResourcesQuestion.java
index 6e0a25d8..fd83e355 100644
--- a/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourseMergeResourcesQuestion.java
+++ b/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourseMergeResourcesQuestion.java
@@ -34,7 +34,7 @@ public class TeacherOpenCourseMergeResourcesQuestion extends BaseEntity{
     private Long teacherOpenCourseMergeResourcesQuestionId ;
 
     //开课ID
-    @ExcelSelector(dictKeyValue = "teacher_open_course.concat(teacher_open_course_title, " + ID_SEPARATOR + ",teacher_open_course_id).teacher_open_course_status=1")
+    @ExcelSelector(dictKeyValue = "teacher_open_course.concat(teacher_open_course_title, '" + ID_SEPARATOR + "',teacher_open_course_id).teacher_open_course_status=1")
     @Dict(type="teacher_open_course.teacher_open_course_title.teacher_open_course_status=1")
     @ExcelProperty(value = "关联开课", index = 0)
 
@@ -42,7 +42,7 @@ public class TeacherOpenCourseMergeResourcesQuestion extends BaseEntity{
 
     //课程章节ID
     @ExcelSelector(
-            dictKeyValue = "teacher_open_course_merge_course_info.concat(course_info_name, "+ ID_SEPARATOR +",teacher_open_course_merge_course_info_id).course_info_status=1,course_info_type!=1"
+            dictKeyValue = "teacher_open_course_merge_course_info.concat(course_info_name, '"+ ID_SEPARATOR +"',teacher_open_course_merge_course_info_id).course_info_status=1,course_info_type!=1"
             )
     @Dict(type="teacher_open_course_merge_course_info.course_info_name.course_info_status=1")
     @ExcelProperty(value = "课程章节", index = 1)
@@ -50,7 +50,7 @@ public class TeacherOpenCourseMergeResourcesQuestion extends BaseEntity{
     private Long teacherOpenCourseMergeCourseInfoId ;
 
     //题型(1单选 2多选 3判断 4填空 5分析)
-    @ExcelSelector(fixedSelector = {"单选___ID:1", "多选___ID:2", "判断___ID:3" })
+    @ExcelSelector(fixedSelector = {"单选"+ID_SEPARATOR+"1", "多选"+ID_SEPARATOR+"2", "判断"+ID_SEPARATOR+"3" })
     @ExcelProperty(value = "题型", index = 2)
 
     private Integer questionType ;