diff --git a/src/com/lxyer/bbs/base/BaseService.java b/src/com/lxyer/bbs/base/BaseService.java
index d57a591..c54f87c 100644
--- a/src/com/lxyer/bbs/base/BaseService.java
+++ b/src/com/lxyer/bbs/base/BaseService.java
@@ -1,6 +1,5 @@
 package com.lxyer.bbs.base;
 
-import com.arangodb.Predicate;
 import org.redkale.net.http.RestMapping;
 import org.redkale.service.Service;
 import org.redkale.source.CacheSource;
@@ -8,9 +7,6 @@ import org.redkale.source.DataSource;
 
 import javax.annotation.Resource;
 import java.io.File;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
 
 /**
  * Created by Lxy at 2017/10/3 13:50.
@@ -19,39 +15,20 @@ public class BaseService implements Service {
 
     protected final int sessionExpireSeconds = 7 * 24 * 60 * 60;
 
-    @Resource(name = "property.isDev")
-    public boolean isDev = true;
-
     @Resource(name = "SERVER_ROOT")
     protected File webroot;
 
     @Resource(name = "art123")
     protected DataSource source;
 
-    /* 使用redis 代码中配置此处即可
-    @Resource(name = "redis")*/
-    @Resource(name = "cacheSource")
-    protected CacheSource<Long> sessions;
+    @Resource(name = "redis")
+    protected CacheSource<Integer> sessions;
 
     @Resource(name = "cacheSource")
     protected CacheSource cacheSource;
 
     protected static final boolean winos = System.getProperty("os.name").contains("Window");
 
-    public static Predicate isEmpty = (x) -> {
-        if (x == null)
-            return true;
-        if (x instanceof List)
-            return ((List) x).isEmpty();
-        if (x instanceof String)
-            return ((String) x).isEmpty();
-        if (x instanceof Map)
-            return ((Map) x).isEmpty();
-        if (x instanceof Collection)
-            return ((Collection) x).isEmpty();
-        return false;
-    };
-
     @RestMapping(ignore = true)
     public DataSource getSource() {
         return source;