考务数据校验课程代码长度校验为30

distributed-print-business/src/main/java/com/qmth/distributed/print/business/bean/dto/ExaminationImportDto.java

@@ -29,7 +29,7 @@ public class ExaminationImportDto {
     private String studentName;
 
     @ApiModelProperty(value = "课程代码")
-    @ExcelDBFieldDesc(name = "课程代码",length = 20)
+    @ExcelDBFieldDesc(name = "课程代码",length = 30)
     private String courseCode;
 
     @ApiModelProperty(value = "课程名称")