diff --git a/src/main/java/com/yipin/liuwanr/controller/ExperimentalClassController.java b/src/main/java/com/yipin/liuwanr/controller/ExperimentalClassController.java
index 3f945e5..07440ab 100644
--- a/src/main/java/com/yipin/liuwanr/controller/ExperimentalClassController.java
+++ b/src/main/java/com/yipin/liuwanr/controller/ExperimentalClassController.java
@@ -5,6 +5,7 @@ import java.util.List;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -51,16 +52,21 @@ public class ExperimentalClassController {
 	 * @return
 	 */
 	@GetMapping("/queryExperimentalClass")
-	Response queryExperimentalClass(@RequestParam Integer schoolId) {
+	Response queryExperimentalClass(@RequestParam Integer schoolId,@RequestParam Integer courseId) {
 	    	Response resp = new Response(); 
-    		HashMap<String, Object> ret=classService.queryExperimentalClass(schoolId);
-			int status = (int) ret.get("retcode");
-			if (200 == status) {
-				resp.setStatus(status);
-				resp.setMessage(ret.get("retvalue"));
-			} else {
-				resp.setStatus(status);
-				resp.setErrmessage(ret.get("retvalue").toString());
+    		if(StringUtils.isEmpty(schoolId)){
+				resp.setStatus(300);
+				resp.setErrmessage("学校信息为空");
+			}else{
+				HashMap<String, Object> ret=classService.queryExperimentalClass(schoolId,courseId);
+				int status = (int) ret.get("retcode");
+				if (200 == status) {
+					resp.setStatus(status);
+					resp.setMessage(ret.get("retvalue"));
+				} else {
+					resp.setStatus(status);
+					resp.setErrmessage(ret.get("retvalue").toString());
+				}
 			}
 		return resp;
      }
diff --git a/src/main/java/com/yipin/liuwanr/mapper/ExperimentalClassMapper.java b/src/main/java/com/yipin/liuwanr/mapper/ExperimentalClassMapper.java
index c54cc2f..2debfb9 100644
--- a/src/main/java/com/yipin/liuwanr/mapper/ExperimentalClassMapper.java
+++ b/src/main/java/com/yipin/liuwanr/mapper/ExperimentalClassMapper.java
@@ -31,9 +31,9 @@ public interface ExperimentalClassMapper {
 	
 	@Select({"<script>",
         "SELECT experimentalClassId,experimentalClassName,classSize,creationTime,founder,courseId,userId,schoolId "
-        + "from experimental_class_ning where isdel = 0 and schoolId = #{schoolId}",
+        + "from experimental_class_ning where isdel = 0 and schoolId = #{schoolId} and courseId=#{courseId}",
         "</script> "})
-	List<ExperimentalClass> queryExperimentalClass(Integer schoolId);
+	List<ExperimentalClass> queryExperimentalClass(Integer schoolId,Integer courseId);
 	
 	//查询实验班级学生专业
 	@Select({"<script>",
diff --git a/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java b/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
index f19025f..e517af5 100644
--- a/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
+++ b/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
@@ -16,6 +16,7 @@ import com.yipin.liuwanr.entity.Student;
 import com.yipin.liuwanr.mapper.ExperimentalClassMapper;
 import com.yipin.liuwanr.mapper.TeacherProjectAndCourseMapper;
 import com.yipin.liuwanr.vo.ExperimentalClassVo;
+import org.springframework.util.StringUtils;
 
 @Service
 public class ExperimentalClassService {
@@ -97,12 +98,13 @@ public class ExperimentalClassService {
         return resp;
     }
 
-    public HashMap<String, Object> queryExperimentalClass(Integer schoolId) {
+    public HashMap<String, Object> queryExperimentalClass(Integer schoolId,Integer courseId) {
         HashMap<String, Object> resp = new HashMap<String, Object>();
         try {
-            resp.put("retvalue", experimentalClassMapper.queryExperimentalClass(schoolId));
-            List<ExperimentalClass> a = experimentalClassMapper.queryExperimentalClass(schoolId);
-            resp.put("retcode", 200);
+            if(!StringUtils.isEmpty(courseId)){
+                resp.put("retvalue", experimentalClassMapper.queryExperimentalClass(schoolId,courseId));
+                resp.put("retcode", 200);
+            }
         } catch (RuntimeException e) {
             logger.error(e.getMessage());
             resp.put("retcode", 500);