From 99919895be4ad7106f186c9b377f0cf75e9ce160 Mon Sep 17 00:00:00 2001
From: jianjun <jianjun4833@163.com>
Date: Wed, 6 Apr 2022 09:07:19 +0800
Subject: [PATCH] bug

---
 .../com/epmet/commons/tools/utils/EpmetRequestHolder.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/EpmetRequestHolder.java b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/EpmetRequestHolder.java
index 94304fab98..f0dad5d9ab 100644
--- a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/EpmetRequestHolder.java
+++ b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/EpmetRequestHolder.java
@@ -46,7 +46,11 @@ public class EpmetRequestHolder {
      * @return
      */
     public static String getHeader(String headerName) {
-        return requestHeaderTtl.get().get(headerName.toLowerCase());
+        Map<String, String> stringStringMap = requestHeaderTtl.get();
+        if (stringStringMap == null){
+            return null;
+        }
+        return stringStringMap.get(headerName.toLowerCase());
     }
 
     /**