diff --git a/easythread/src/main/java/com/lzh/easythread/CallableWrapper.java b/easythread/src/main/java/com/lzh/easythread/CallableWrapper.java
index 1ef297a..cc0cd71 100644
--- a/easythread/src/main/java/com/lzh/easythread/CallableWrapper.java
+++ b/easythread/src/main/java/com/lzh/easythread/CallableWrapper.java
@@ -21,11 +21,9 @@ final class CallableWrapper<T> implements Callable<T> {
     private String name;
     private Callback callback;
     private Callable<T> proxy;
-    private long delay;
 
     CallableWrapper(Configs configs, Callable<T> proxy) {
         this.name = configs.name;
-        this.delay = configs.delay;
         this.proxy = proxy;
         this.callback = new CallbackDelegate(configs.callback, configs.deliver, configs.asyncCallback);
     }
diff --git a/easythread/src/main/java/com/lzh/easythread/RunnableWrapper.java b/easythread/src/main/java/com/lzh/easythread/RunnableWrapper.java
index 4fa8457..09631a2 100644
--- a/easythread/src/main/java/com/lzh/easythread/RunnableWrapper.java
+++ b/easythread/src/main/java/com/lzh/easythread/RunnableWrapper.java
@@ -23,11 +23,9 @@ final class RunnableWrapper implements Runnable {
     private CallbackDelegate delegate;
     private Runnable runnable;
     private Callable callable;
-    private long delay;
 
     RunnableWrapper(Configs configs) {
         this.name = configs.name;
-        this.delay = configs.delay;
         this.delegate = new CallbackDelegate(configs.callback, configs.deliver, configs.asyncCallback);
     }