diff --git a/coolstore-partner-common/src/main/java/com/cool/store/utils/OpenSignatureUtil.java b/coolstore-partner-common/src/main/java/com/cool/store/utils/OpenSignatureUtil.java
index 5069f1026..98ccd401e 100644
--- a/coolstore-partner-common/src/main/java/com/cool/store/utils/OpenSignatureUtil.java
+++ b/coolstore-partner-common/src/main/java/com/cool/store/utils/OpenSignatureUtil.java
@@ -46,7 +46,7 @@ public class OpenSignatureUtil {
         // 3.2 添加固定参数（不参与排序）
         sb.append("appkey=").append(appKey)
                 .append("&timestamp=").append(timestamp);
-
+        log.info("待签名字符串：{}", sb);
         // 4. 生成签名
         return hmacSha256(sb.toString(), appSecret);
     }