code cleanup: improve format

src/main/java/com/alibaba/ttl/threadpool/ExecutorTtlWrapper.java

 package com.alibaba.ttl.threadpool;
 
 import com.alibaba.ttl.TransmittableThreadLocal;
-import com.alibaba.ttl.TtlRunnable;
 import com.alibaba.ttl.TtlEnhanced;
+import com.alibaba.ttl.TtlRunnable;
 
 import javax.annotation.Nonnull;
 import java.util.concurrent.Executor;

src/main/java/com/alibaba/ttl/threadpool/agent/internal/transformlet/impl/TtlForkJoinTransformlet.java

@@ -48,9 +48,9 @@ public class TtlForkJoinTransformlet implements JavassistTransformlet {
     }
 
     private void updateForkJoinTaskClass(final CtClass clazz) throws CannotCompileException, NotFoundException {
-        // add new field
         final String className = clazz.getName();
 
+        // add new field
         final String capturedFieldName = "captured$field$added$by$ttl";
         final CtField capturedField = CtField.make("private final Object " + capturedFieldName + ";", clazz);
         clazz.addField(capturedField, "com.alibaba.ttl.threadpool.agent.internal.transformlet.impl.Utils.doCaptureWhenNotTtlEnhanced(this);");

src/main/java/com/alibaba/ttl/threadpool/agent/internal/transformlet/impl/TtlTimerTaskTransformlet.java

 package com.alibaba.ttl.threadpool.agent.internal.transformlet.impl;
 
-import com.alibaba.ttl.TtlEnhanced;
 import com.alibaba.ttl.threadpool.agent.internal.logging.Logger;
 import com.alibaba.ttl.threadpool.agent.internal.transformlet.JavassistTransformlet;
 import javassist.*;
@@ -49,9 +48,9 @@ public class TtlTimerTaskTransformlet implements JavassistTransformlet {
     }
 
     private void updateTimerTaskClass(final CtClass clazz) throws CannotCompileException, NotFoundException {
-        // add new field
         final String className = clazz.getName();
 
+        // add new field
         final String capturedFieldName = "captured$field$added$by$ttl";
         final CtField capturedField = CtField.make("private final Object " + capturedFieldName + ";", clazz);
         clazz.addField(capturedField, "com.alibaba.ttl.threadpool.agent.internal.transformlet.impl.Utils.doCaptureWhenNotTtlEnhanced(this);");