diff --git a/src/main/java/com/yipin/liuwanr/entity/Assesment.java b/src/main/java/com/yipin/liuwanr/entity/Assesment.java
index 4a92e18..eb07a56 100644
--- a/src/main/java/com/yipin/liuwanr/entity/Assesment.java
+++ b/src/main/java/com/yipin/liuwanr/entity/Assesment.java
@@ -18,7 +18,7 @@ public class Assesment {
 	private String timesum;// 耗时
 	private Integer assessmentNumber;// 考核点数量
 	private Integer errorRate;// 错误率
-	private Integer  experimentalClassId;//实验班级id
+	private String  experimentalClassId;//实验班级id
 	private String classId;// 行政班级id
 	private String teacherInClass;// 任课老师
 	private Integer staffId;// 教师id
@@ -49,11 +49,11 @@ public class Assesment {
 		this.staffName = staffName;
 	}
 
-	public Integer getExperimentalClassId() {
+	public String getExperimentalClassId() {
 		return experimentalClassId;
 	}
 
-	public void setExperimentalClassId(Integer experimentalClassId) {
+	public void setExperimentalClassId(String experimentalClassId) {
 		this.experimentalClassId = experimentalClassId;
 	}
 
diff --git a/src/main/java/com/yipin/liuwanr/mapper/AssesmentMapper.java b/src/main/java/com/yipin/liuwanr/mapper/AssesmentMapper.java
index 013a58d..cac2060 100644
--- a/src/main/java/com/yipin/liuwanr/mapper/AssesmentMapper.java
+++ b/src/main/java/com/yipin/liuwanr/mapper/AssesmentMapper.java
@@ -221,8 +221,8 @@ public interface AssesmentMapper {
      * @return
      */
     @Select("SELECT  ex.experimentalClassId as experimentalClassId,ex.experimentalClassName as experimentalClassName from assessment ass left join"
-            + "  experimental_class_ning ex on ex.experimentalClassId=ass.experimentalClassId  where ass.id=#{assesmentId}")
-    ExperimentalClass queryExperimental(Integer assesmentId);
+            + "  experimental_class_ning ex on FIND_IN_SET(ex.experimentalClassId,ass.experimentalClassId)  where ass.id=#{assesmentId}")
+    List<ExperimentalClass> queryExperimental(Integer assesmentId);
 
 
     /**
diff --git a/src/main/java/com/yipin/liuwanr/service/AssesmentService.java b/src/main/java/com/yipin/liuwanr/service/AssesmentService.java
index c818f62..ac7582f 100644
--- a/src/main/java/com/yipin/liuwanr/service/AssesmentService.java
+++ b/src/main/java/com/yipin/liuwanr/service/AssesmentService.java
@@ -382,12 +382,12 @@ public class AssesmentService {
      */
     public HashMap<String, Object> getByclass(Integer assesmentId) {
         HashMap<String, Object> resp = new HashMap<String, Object>();
-        List<Object> obj = new ArrayList<Object>();
+        HashMap<String, Object>  obj = new HashMap<String, Object>();
         try {
-            ExperimentalClass experimentalClasses = mapper.queryExperimental(assesmentId);
+            List<ExperimentalClass> experimentalClasses = mapper.queryExperimental(assesmentId);
             List<SutdentClass> classes = mapper.queryClass(assesmentId);
-            obj.add(experimentalClasses);
-            obj.add(classes);
+            obj.put("xperimentalClass",experimentalClasses);
+            obj.put("class",classes);
 
             resp.put("retvalue", obj);
             resp.put("retcode", 200);