diff --git a/src/main/java/io/zhile/crack/atlassian/agent/KeyTransformer.java b/src/main/java/io/zhile/crack/atlassian/agent/KeyTransformer.java
index 832cbc6..20c8792 100644
--- a/src/main/java/io/zhile/crack/atlassian/agent/KeyTransformer.java
+++ b/src/main/java/io/zhile/crack/atlassian/agent/KeyTransformer.java
@@ -31,8 +31,9 @@ public class KeyTransformer implements ClassFileTransformer {
         try {
             String b64f;
             ClassPool cp = ClassPool.getDefault();
-            cp.importPackage("java.util.Arrays");
+            CtClass cc = cp.get(CN_KEY_SPEC.replace('/', '.'));
 
+            cp.importPackage("java.util.Arrays");
             try {
                 Class.forName("java.util.Base64");
                 cp.importPackage("java.util.Base64");
@@ -47,17 +48,10 @@ public class KeyTransformer implements ClassFileTransformer {
                 }
             }
 
-            int mod = Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL;
-            CtClass cc = cp.get(CN_KEY_SPEC.replace('/', '.'));
-            CtClass cb = cp.get("byte[]");
-            CtField cfOld = new CtField(cb, "__h_ok", cc);
-            CtField cfNew = new CtField(cb, "__h_nk", cc);
-            cfOld.setModifiers(mod);
-            cfNew.setModifiers(mod);
-            cc.addField(cfOld, b64f + "(\"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\");");
-            cc.addField(cfNew, b64f + "(\"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\");");
+            cc.addField(CtField.make("private static final byte[] __h_ok=" + b64f + "(\"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\");", cc));
+            cc.addField(CtField.make("private static final byte[] __h_nk=" + b64f + "(\"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\");", cc));
             CtConstructor cm = cc.getConstructor("([B)V");
-            cm.insertBeforeBody("if(Arrays.equals($1,__h_ok)){$1=__h_nk;System.out.println(\"============================== agent working ==============================\");}");
+            cm.insertBefore("if(Arrays.equals($1,__h_ok)){$1=__h_nk;System.out.println(\"============================== agent working ==============================\");}");
 
             return cc.toBytecode();
         } catch (Exception e) {