From c1246b27bd919b4033ef18747eec813fea39c5bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E9=A1=BA=E5=87=AF?= <ssk7495@163.com>
Date: Sun, 12 Jun 2022 16:09:50 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B8=B8=E9=87=8F=E6=8A=BD=E5=8F=96?=
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---
 .../src/main/java/com/yomahub/liteflow/util/LogUtil.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/util/LogUtil.java b/liteflow-core/src/main/java/com/yomahub/liteflow/util/LogUtil.java
index f5bfa9707..a6c8d8ac3 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/util/LogUtil.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/util/LogUtil.java
@@ -13,6 +13,8 @@ import java.util.Objects;
  */
 public class LogUtil {
 
+    private static final String EMPTY = "";
+
     /**
      * 日志输出，过滤掉null值的占位符
      * @param logger
@@ -31,7 +33,7 @@ public class LogUtil {
                 int index = StringUtils.ordinalIndexOf(result.toString(), placeholderEnum.getValue(), i+1-replaceCount);
                 if(index > 0){
                     replaceCount++;
-                    result.replace(index,index + placeholderEnum.getValue().length(),"");
+                    result.replace(index,index + placeholderEnum.getValue().length(),EMPTY);
                 }
             }
         }