diff --git a/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java b/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
index faabf17..d01501b 100644
--- a/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
+++ b/src/main/java/com/yipin/liuwanr/service/ExperimentalClassService.java
@@ -41,7 +41,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "添加学生失败！");
 			return resp;
 		}
 		return resp;
@@ -59,7 +59,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "删除学生失败");
 				return resp;
 			}
 			return resp;
@@ -74,7 +74,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "创建实验班级失败！");
 			throw e;
 		}
 		return resp;
@@ -89,7 +89,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "查询实验班级失败！");
 			return resp;
 		}
 		return resp;
@@ -104,7 +104,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "查询实验班级专业失败！");
 			return resp;
 		}
 		return resp;
@@ -119,7 +119,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "查询学生行政班级失败！");
 				return resp;
 			}
 			return resp;
@@ -150,7 +150,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "查询班级详情失败！");
 				return resp;
 			}
 			return resp;
@@ -172,7 +172,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "查询失败！");
 				return resp;
 			}
 			return resp;
@@ -190,7 +190,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "查询专业失败！");
 				return resp;
 			}
 			return resp;
@@ -207,7 +207,7 @@ public class ExperimentalClassService {
 			} catch (RuntimeException e) {
 				logger.error(e.getMessage());
 				resp.put("retcode", 500);
-				resp.put("retvalue", "Inquiry Failed");
+				resp.put("retvalue", "查询班级失败！");
 				return resp;
 			}
 			return resp;
@@ -223,7 +223,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "删除实验班级失败！");
 			return resp;
 		}
 		return resp;
@@ -237,7 +237,7 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "更新实验班级失败！");
 			return resp;
 		}
 		return resp;
@@ -252,21 +252,17 @@ public class ExperimentalClassService {
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());
 			resp.put("retcode", 500);
-			resp.put("retvalue", "Inquiry Failed");
+			resp.put("retvalue", "修改实验班级名称失败！");
 			return resp;
 		}
 		return resp;
 }
 //——————————————————————————————全承珠
-	@Autowired
-	private ExperimentalClassMapper mapper;
-	
-	
 	public HashMap<String, Object> queryGetByExperimentalClassName(String experimentalClassName){
 		HashMap<String, Object> resp = new HashMap<String, Object>();
 
 		try {
-			resp.put("retvalue", mapper.queryGetByExperimentalClassName(experimentalClassName));
+			resp.put("retvalue", experimentalClassMapper.queryGetByExperimentalClassName(experimentalClassName));
 			resp.put("retcode", 200);
 		} catch (RuntimeException e) {
 			logger.error(e.getMessage());