diff --git a/pig-gateway/src/main/java/com/github/pig/gateway/component/filter/DecodePasswordFilter.java b/pig-gateway/src/main/java/com/github/pig/gateway/component/filter/DecodePasswordFilter.java
index 10422e15..e41a02cd 100644
--- a/pig-gateway/src/main/java/com/github/pig/gateway/component/filter/DecodePasswordFilter.java
+++ b/pig-gateway/src/main/java/com/github/pig/gateway/component/filter/DecodePasswordFilter.java
@@ -83,7 +83,7 @@ public class DecodePasswordFilter extends ZuulFilter {
             return null;
         }
 
-        List<String> passList = params.get("password");
+        List<String> passList = params.get(PASSWORD);
         if (CollUtil.isEmpty(passList)) {
             return null;
         }