diff --git a/pig-gateway/src/main/java/com/pig4cloud/pig/gateway/filter/PasswordDecoderFilter.java b/pig-gateway/src/main/java/com/pig4cloud/pig/gateway/filter/PasswordDecoderFilter.java
index 61c18ef6c5cdae92b69882c60d1ffa9971fc2037..2a27cb1feb6dd9ffb2b615599c7e77fca7a062b9 100755
--- a/pig-gateway/src/main/java/com/pig4cloud/pig/gateway/filter/PasswordDecoderFilter.java
+++ b/pig-gateway/src/main/java/com/pig4cloud/pig/gateway/filter/PasswordDecoderFilter.java
@@ -118,7 +118,7 @@ public class PasswordDecoderFilter extends AbstractGatewayFilterFactory {
     private Function decryptAES() {
         return s -> {
             // 构建前端对应解密AES 因子
-            AES aes = new AES(Mode.CFB, Padding.NoPadding,
+            AES aes = new AES(Mode.CBC, Padding.PKCS5Padding,
                     new SecretKeySpec(gatewayConfig.getEncodeKey().getBytes(), KEY_ALGORITHM),
                     new IvParameterSpec(gatewayConfig.getEncodeKey().getBytes()));