...

examcloud-core-basic-service/src/main/java/cn/com/qmth/examcloud/core/basic/service/impl/AuthServiceImpl.java

@@ -225,10 +225,16 @@ public class AuthServiceImpl implements AuthService {
 					.findAllByRoleIdAndRootOrgId(roleId, rootOrgId);
 
 			StringBuilder sb = new StringBuilder();
+			boolean first = true;
 			for (RolePrivilegeRelationEntity cur : relationList) {
 
 				PrivilegeEntity privilegeEntity = privilegeRepo.findOne(cur.getPrivilegeId());
-				sb.append(privilegeEntity.getCode());
+				if (first) {
+					sb.append(privilegeEntity.getCode());
+					first = false;
+				} else {
+					sb.append(",").append(privilegeEntity.getCode());
+				}
 			}
 
 			String key = "$_P_" + rootOrgId + "_" + roleId;