修复处方单展示的药师签名异常的问题

fs-service/src/main/java/com/fs/his/service/impl/PrescriptionImageServiceImpl.java

@@ -545,7 +545,7 @@ public class PrescriptionImageServiceImpl implements PrescriptionImageService {
         // 药师签名
         if (StringUtils.isNotBlank(param.getDrugDoctorUrl())) {
             try {
-                BufferedImage pharmacistSign = downloadSignatureImage("https://ysy-1329817240.cos.ap-guangzhou.myqcloud.com/ysy/20251028/ed509381390049c9ad2a17e95d8b8732.png");
+                BufferedImage pharmacistSign = downloadSignatureImage(param.getDrugDoctorUrl());
                 if (pharmacistSign != null) {
                     Image scaledSign = pharmacistSign.getScaledInstance(120, 80, Image.SCALE_SMOOTH);
                     pen.drawImage(scaledSign, 1076, 2028, null);