修复账套的BUG。

src/main/java/com/leanwo/gateway/service/AccountManagementServiceImpl.java

@@ -23,8 +23,12 @@ public class AccountManagementServiceImpl implements AccountManagementService {
 
 	@Override
 	public List<AccountManagementDto> loadAccountManagement(boolean force) {
-		if (accountManagementDtos == null || force) {
-			accountManagementDtos = prodogServer.getAccountManagementDtoCache();
+		try {
+			if (accountManagementDtos == null || force) {
+				accountManagementDtos = prodogServer.getAccountManagementDtoCache();
+			}
+		}catch(Exception ex) {
+			logger.error("从Prodog-Server服务器获取账套信息失败。", ex);
 		}
 		return accountManagementDtos;
 	}