diff --git a/src/main/java/com/lhstack/controller/CryptoController.java b/src/main/java/com/lhstack/controller/CryptoController.java
index 0b609ec8bde99361333801eed305320e4e349bf5..1cfbb56b8b297dcbee98975ed7b10c2c10be9908 100644
--- a/src/main/java/com/lhstack/controller/CryptoController.java
+++ b/src/main/java/com/lhstack/controller/CryptoController.java
@@ -1,24 +1,39 @@
 package com.lhstack.controller;
 
 import java.util.Map;
+import java.util.Optional;
 
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.lhstack.utils.Aes;
+
 import io.reactivex.Single;
 
 @RestController
 @RequestMapping("crypto")
 public class CryptoController {
+
+    @Value("${aes.key:}")
+    private String defaultAesKey;
+
+    @Value("${aes.iv:}")
+    private String defaultAesIv;
     
     @PostMapping("decrypt")
     public Single<String> decrypt(@RequestBody Map<String,String> body){
         return Single.defer(() -> {
-            System.out.println(body);
-            return Single.just("hello world");
+            String aesKey = body.getOrDefault("key", defaultAesKey);
+            String aesIv = body.getOrDefault("iv", defaultAesIv);
+            byte[] content = body.getOrDefault("content","").getBytes();
+            return Single.fromCallable(() -> {
+                Optional<byte[]> resulOptional = Aes.decrypt(aesKey, aesIv, content);
+                return "hello world";
+            });
         });
     }
 
diff --git a/target/classes/com/lhstack/TemplateApplication.class b/target/classes/com/lhstack/TemplateApplication.class
index 4585b1a0d2467699d927ab7b15f31fb60e4a0be5..88190ac1698b12bfc532377b107e1ff420953f1f 100644
Binary files a/target/classes/com/lhstack/TemplateApplication.class and b/target/classes/com/lhstack/TemplateApplication.class differ
diff --git a/target/classes/com/lhstack/config/WebMvcConfiguration.class b/target/classes/com/lhstack/config/WebMvcConfiguration.class
index 74c5f11b61d4df1b468b5ed4e4998ff51838168b..ae7e6c33b339fd27acc9ddf30e14b4958ce1a299 100644
Binary files a/target/classes/com/lhstack/config/WebMvcConfiguration.class and b/target/classes/com/lhstack/config/WebMvcConfiguration.class differ
diff --git a/target/classes/com/lhstack/controller/CryptoController.class b/target/classes/com/lhstack/controller/CryptoController.class
index 582a66ac611b18235fd7bf08bea1c62107355d10..67a585432b330ec90814d3b65b2c6683c107344d 100644
Binary files a/target/classes/com/lhstack/controller/CryptoController.class and b/target/classes/com/lhstack/controller/CryptoController.class differ
diff --git a/target/classes/com/lhstack/utils/Aes.class b/target/classes/com/lhstack/utils/Aes.class
index 26fb96c7c9e500646bea2ff2eba20b2f511df3f4..7e5ebd2a1e9050f62db5ba48c5ea334a965afc37 100644
Binary files a/target/classes/com/lhstack/utils/Aes.class and b/target/classes/com/lhstack/utils/Aes.class differ