fix bug

@@ -3,6 +3,8 @@ package com.yoho.search.service.servicenew.scene.common;
 import java.util.Map;
 import java.util.concurrent.ExecutorService;
 
+import javax.annotation.PostConstruct;
+
 import org.apache.commons.lang.StringUtils;
 
 import com.yoho.search.service.utils.SearchRequestParams;
@@ -10,6 +12,18 @@ import com.yoho.search.service.vo.SearchApiResult;
 
 public abstract class AbstractSceneService {
 
+	protected ExecutorService executorService;
+
+	@PostConstruct
+	void init() {
+		this.setExecutorService();
+	}
+	
+	/**
+	 * 子类实现自己的异步执行的线程池
+	 */
+	public abstract void setExecutorService();
+
 	/**
 	 * 场景化的默认参数
 	 * 
@@ -31,10 +45,6 @@ public abstract class AbstractSceneService {
 		return page;
 	}
 
-	protected ExecutorService executorService;
-
-	public abstract void setExecutorService();
-
 	public abstract void addParamsToParamMap(Map<String, String> paramMap);
 
 	public abstract String pageId();