diff --git a/youchain-common/src/main/java/com/youchain/utils/HttpPostUtil.java b/youchain-common/src/main/java/com/youchain/utils/HttpPostUtil.java
index 1d8239b..480a4af 100644
--- a/youchain-common/src/main/java/com/youchain/utils/HttpPostUtil.java
+++ b/youchain-common/src/main/java/com/youchain/utils/HttpPostUtil.java
@@ -32,7 +32,7 @@ public class HttpPostUtil {
             instr = urlCon.getInputStream();
             byte[] bis = IOUtils.toByteArray(instr);
             String ResponseString = new String(bis, StandardCharsets.UTF_8);
-            if (ResponseString.trim().isEmpty()) {
+            if (StringUtils.isEmpty(ResponseString)) {
                 log.error("返回空");
             }
             str = ResponseString;