update

mec-biz/src/main/java/com/ym/mec/biz/dal/entity/ClassGroup.java

@@ -56,7 +56,7 @@ public class ClassGroup {
 	private String classNames;
 
 	/** 预计招生人数 */
-	@ApiModelProperty(value = "预计招生人数",hidden = true)
+	@ApiModelProperty(value = "预计招生人数", required = true)
 	private Integer expectStudentNum;
 
 	/** 学生数 */