订单提交时，回签单必填控制只在海盐站点进行控制

src/apps/saorder/saorder.java

@@ -644,7 +644,7 @@ public class saorder extends BaseSaorder {
     @Override
     public void submitvalidate(boolean issubmit) throws P2Exception {
         super.submitvalidate(issubmit);
-        if ("".equals(getString("fsignbacknum"))) {
+        if ("".equals(getString("fsignbacknum")) && getString("siteid").equalsIgnoreCase("hy")) {
             if ("工具订单".equals(getString("ftype")) || "标准订单".equals(getString("ftype")) || "项目订单".equals(getString("ftype"))) {
                 throw new P2AppException("", "回签单信息不可为空！");
             }