diff --git a/src/org/redkale/boot/NodeServer.java b/src/org/redkale/boot/NodeServer.java
index cce9f51d9..515453214 100644
--- a/src/org/redkale/boot/NodeServer.java
+++ b/src/org/redkale/boot/NodeServer.java
@@ -513,6 +513,10 @@ public abstract class NodeServer {
         return false;
     }
 
+    public boolean isWATCH() {
+        return false;
+    }
+
     public ResourceFactory getResourceFactory() {
         return resourceFactory;
     }
diff --git a/src/org/redkale/boot/NodeWatchServer.java b/src/org/redkale/boot/NodeWatchServer.java
index e1afd2861..63a50df3a 100644
--- a/src/org/redkale/boot/NodeWatchServer.java
+++ b/src/org/redkale/boot/NodeWatchServer.java
@@ -42,4 +42,9 @@ public class NodeWatchServer extends NodeHttpServer {
     protected ClassFilter createOtherClassFilter() {
         return null;
     }
+
+    @Override
+    public boolean isWATCH() {
+        return true;
+    }
 }
diff --git a/src/org/redkale/boot/watch/FilterWatchService.java b/src/org/redkale/boot/watch/FilterWatchService.java
index a4e062216..862fb3f2d 100644
--- a/src/org/redkale/boot/watch/FilterWatchService.java
+++ b/src/org/redkale/boot/watch/FilterWatchService.java
@@ -7,7 +7,7 @@ package org.redkale.boot.watch;
 
 import java.io.IOException;
 import javax.annotation.Resource;
-import org.redkale.boot.Application;
+import org.redkale.boot.*;
 import org.redkale.net.TransportFactory;
 import org.redkale.net.http.*;
 import org.redkale.service.RetResult;
@@ -29,6 +29,9 @@ public class FilterWatchService extends AbstractWatchService {
     @Comment("Node节点IP地址已存在")
     public static final int RET_FILTER_EXISTS = 1601_0003;
 
+    @Comment("Node节点IP地址已存在")
+    public static final int RET_JAR_ILLEGAL = 1601_0004;
+
     @Resource
     private Application application;
 
@@ -36,9 +39,14 @@ public class FilterWatchService extends AbstractWatchService {
     private TransportFactory transportFactory;
 
     @RestMapping(name = "addfilter", auth = false, comment = "动态增加Filter")
-    public RetResult addFilter(@RestParam(name = "server", comment = "Server节点名, 不指定名称则所有符合条件的Server都会增加Filter") final String serverName,
+    public RetResult addFilter(@RestUploadFile(maxLength = 10 * 1024 * 1024, fileNameReg = "\\.jar$") byte[] jar,
+        @RestParam(name = "server", comment = "Server节点名, 不指定名称则所有符合条件的Server都会增加Filter") final String serverName,
         @RestParam(name = "type", comment = "Filter类名") final String filterType) throws IOException {
         if (filterType == null) return new RetResult(RET_FILTER_TYPE_ILLEGAL, "Filter Type (" + filterType + ") is illegal");
+        if (jar == null) return new RetResult(RET_JAR_ILLEGAL, "Not found jar file");
+        for (NodeServer node : application.getNodeServers()) {
+            if (node.getServer().containsFilter(filterType)) return new RetResult(RET_JAR_ILLEGAL, "Filter(" + filterType + ") exists");
+        }
         return RetResult.success();
     }
 }
diff --git a/src/org/redkale/net/PrepareServlet.java b/src/org/redkale/net/PrepareServlet.java
index b0bca86c9..1de5a7667 100644
--- a/src/org/redkale/net/PrepareServlet.java
+++ b/src/org/redkale/net/PrepareServlet.java
@@ -72,6 +72,15 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         }
     }
 
+    public boolean containsServlet(String servletClassName) {
+        synchronized (lock1) {
+            for (S servlet : new HashSet<>(servlets)) {
+                if (servlet.getClass().getName().equals(servletClassName)) return true;
+            }
+            return false;
+        }
+    }
+
     protected void putMapping(K key, S servlet) {
         synchronized (lock2) {
             Map<K, S> newmappings = new HashMap<>(mappings);
@@ -144,11 +153,11 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         }
     }
 
-    public Filter<C, R, P> removeFilter(Class<? extends Filter<C, R, P>> filterClass) {
+    public <T extends Filter<C, R, P>> T removeFilter(Class<T> filterClass) {
         return removeFilter(f -> filterClass.equals(f.getClass()));
     }
 
-    public boolean containsFilter(Class<? extends Filter<C, R, P>> filterClass) {
+    public boolean containsFilter(Class<? extends Filter> filterClass) {
         if (this.headFilter == null || filterClass == null) return false;
         Filter filter = this.headFilter;
         do {
@@ -157,13 +166,22 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         return false;
     }
 
-    public Filter<C, R, P> removeFilter(Predicate<Filter<C, R, P>> predicate) {
+    public boolean containsFilter(String filterClassName) {
+        if (this.headFilter == null || filterClassName == null) return false;
+        Filter filter = this.headFilter;
+        do {
+            if (filter.getClass().getName().equals(filterClassName)) return true;
+        } while ((filter = filter._next) != null);
+        return false;
+    }
+
+    public <T extends Filter<C, R, P>> T removeFilter(Predicate<T> predicate) {
         if (this.headFilter == null || predicate == null) return null;
         synchronized (filters) {
             Filter filter = this.headFilter;
             Filter prev = null;
             do {
-                if (predicate.test(filter)) break;
+                if (predicate.test((T) filter)) break;
                 prev = filter;
             } while ((filter = filter._next) != null);
             if (filter != null) {
@@ -175,7 +193,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
                 filter._next = null;
                 this.filters.remove(filter);
             }
-            return filter;
+            return (T) filter;
         }
     }
 
diff --git a/src/org/redkale/net/Server.java b/src/org/redkale/net/Server.java
index 6c9ec9de3..9883ea170 100644
--- a/src/org/redkale/net/Server.java
+++ b/src/org/redkale/net/Server.java
@@ -184,6 +184,52 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         logger.info(this.getClass().getSimpleName() + " shutdown in " + e + " ms");
     }
 
+    /**
+     * 判断是否存在Filter
+     *
+     * @param <T>         泛型
+     * @param filterClass Filter类
+     *
+     * @return boolean
+     */
+    public <T extends Filter> boolean containsFilter(Class<T> filterClass) {
+        return this.prepare.containsFilter(filterClass);
+    }
+
+    /**
+     * 判断是否存在Filter
+     *
+     * @param <T>             泛型
+     * @param filterClassName Filter类
+     *
+     * @return boolean
+     */
+    public <T extends Filter> boolean containsFilter(String filterClassName) {
+        return this.prepare.containsFilter(filterClassName);
+    }
+
+    /**
+     * 判断是否存在Servlet
+     *
+     * @param servletClass Servlet类
+     *
+     * @return boolean
+     */
+    public boolean containsServlet(Class<? extends S> servletClass) {
+        return this.prepare.containsServlet(servletClass);
+    }
+
+    /**
+     * 判断是否存在Servlet
+     *
+     * @param servletClassName Servlet类
+     *
+     * @return boolean
+     */
+    public boolean containsServlet(String servletClassName) {
+        return this.prepare.containsServlet(servletClassName);
+    }
+
     /**
      * 销毁Servlet
      *
diff --git a/src/org/redkale/net/http/HttpResourceServlet.java b/src/org/redkale/net/http/HttpResourceServlet.java
index 8493e8c26..7f77afd82 100644
--- a/src/org/redkale/net/http/HttpResourceServlet.java
+++ b/src/org/redkale/net/http/HttpResourceServlet.java
@@ -162,6 +162,24 @@ public class HttpResourceServlet extends HttpServlet {
         }
     }
 
+    public void serRoot(String rootstr) {
+        if (rootstr == null) return;
+        try {
+            this.root = new File(rootstr).getCanonicalFile();
+        } catch (IOException ioe) {
+            this.root = new File(rootstr);
+        }
+    }
+
+    public void serRoot(File file) {
+        if (file == null) return;
+        try {
+            this.root = file.getCanonicalFile();
+        } catch (IOException ioe) {
+            this.root = file;
+        }
+    }
+
     protected static long parseLenth(String value, long defValue) {
         if (value == null) return defValue;
         value = value.toUpperCase().replace("B", "");
diff --git a/src/org/redkale/net/http/HttpServer.java b/src/org/redkale/net/http/HttpServer.java
index dd4851602..528fafda1 100644
--- a/src/org/redkale/net/http/HttpServer.java
+++ b/src/org/redkale/net/http/HttpServer.java
@@ -43,8 +43,8 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
      *
      * @return HttpServlet
      */
-    public HttpServlet getResourceServlet() {
-        return ((HttpPrepareServlet) this.prepare).resourceHttpServlet;
+    public HttpResourceServlet getResourceServlet() {
+        return (HttpResourceServlet) ((HttpPrepareServlet) this.prepare).resourceHttpServlet;
     }
 
     /**
@@ -100,22 +100,10 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
      *
      * @return HttpFilter
      */
-    public <T extends HttpFilter> T removeFilter(Class<T> filterClass) {
+    public <T extends HttpFilter> T removeHttpFilter(Class<T> filterClass) {
         return (T) this.prepare.removeFilter(filterClass);
     }
 
-    /**
-     * 判断是否存在HttpFilter
-     *
-     * @param <T>         泛型
-     * @param filterClass HttpFilter类
-     *
-     * @return boolean
-     */
-    public <T extends HttpFilter> boolean containsHttpFilter(Class<T> filterClass) {
-        return this.prepare.containsFilter(filterClass);
-    }
-
     /**
      * 添加HttpFilter
      *
@@ -171,18 +159,6 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         return this;
     }
 
-    /**
-     * 判断是否存在HttpServlet
-     *
-     * @param <T>          泛型
-     * @param servletClass HttpServlet类
-     *
-     * @return boolean
-     */
-    public <T extends HttpServlet> boolean containsHttpServlet(Class<T> servletClass) {
-        return this.prepare.containsServlet(servletClass);
-    }
-
     /**
      * 添加WebSocketServlet
      *
diff --git a/src/org/redkale/net/sncp/SncpServer.java b/src/org/redkale/net/sncp/SncpServer.java
index 41936cd6e..241b16ab9 100644
--- a/src/org/redkale/net/sncp/SncpServer.java
+++ b/src/org/redkale/net/sncp/SncpServer.java
@@ -45,7 +45,7 @@ public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResp
      *
      * @return SncpFilter
      */
-    public <T extends SncpFilter> T removeFilter(Class<T> filterClass) {
+    public <T extends SncpFilter> T removeSncpFilter(Class<T> filterClass) {
         return (T) this.prepare.removeFilter(filterClass);
     }
 
@@ -62,18 +62,6 @@ public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResp
         return this;
     }
 
-    /**
-     * 判断是否存在SncpFilter
-     *
-     * @param <T>         泛型
-     * @param filterClass SncpFilter类
-     *
-     * @return SncpFilter
-     */
-    public <T extends SncpFilter> boolean containsSncpFilter(Class<T> filterClass) {
-        return this.prepare.containsFilter(filterClass);
-    }
-
     /**
      * 删除SncpServlet
      *
@@ -94,18 +82,6 @@ public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResp
         return ((SncpPrepareServlet) this.prepare).getSncpServlets();
     }
 
-    /**
-     * 判断是否存在SncpServlet
-     *
-     * @param <T>          泛型
-     * @param servletClass SncpServlet类
-     *
-     * @return boolean
-     */
-    public <T extends SncpServlet> boolean containsSncpServlet(Class<T> servletClass) {
-        return this.prepare.containsServlet(servletClass);
-    }
-
     @Override
     @SuppressWarnings("unchecked")
     protected SncpContext createContext() {