diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/AdminAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/AdminAction.java
index 18ea3f90..8e4aebf4 100644
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/AdminAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/AdminAction.java
@@ -44,9 +44,19 @@ abstract public class AdminAction extends Action {
         if (!mLimitCounter.isGranted("admin")) {
             return ErrorCode.ERROR_CODE_OVER_FREQUENCY;
         }
+        
         String nonce = request.getHeader("nonce");
+        if (!StringUtil.isNullOrEmpty(nonce)) {
+            nonce = request.getHeader("Nonce");
+        }
         String timestamp = request.getHeader("timestamp");
+        if (!StringUtil.isNullOrEmpty(timestamp)) {
+            timestamp = request.getHeader("Timestamp");
+        }
         String sign = request.getHeader("sign");
+        if (!StringUtil.isNullOrEmpty(sign)) {
+            sign = request.getHeader("Sign");
+        }
         if (StringUtil.isNullOrEmpty(nonce) || StringUtil.isNullOrEmpty(timestamp) || StringUtil.isNullOrEmpty(sign)) {
             return ErrorCode.INVALID_PARAMETER;
         }