diff --git a/src/org/redkale/source/DataSqlSource.java b/src/org/redkale/source/DataSqlSource.java
index 7b605dec2..2a0000104 100644
--- a/src/org/redkale/source/DataSqlSource.java
+++ b/src/org/redkale/source/DataSqlSource.java
@@ -5,8 +5,15 @@
  */
 package org.redkale.source;
 
-import java.util.function.Function;
+import java.net.URL;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.*;
+import java.util.logging.*;
+import javax.annotation.Resource;
 import org.redkale.service.*;
+import static org.redkale.source.DataSources.*;
 import org.redkale.util.*;
 
 /**
@@ -21,6 +28,204 @@ import org.redkale.util.*;
 @AutoLoad(false)
 @SuppressWarnings("unchecked")
 @ResourceType(DataSource.class)
-public abstract class DataSqlSource extends AbstractService implements DataSource, DataCacheListener, Function<Class, EntityInfo>, AutoCloseable, Resourcable {
- 
+public abstract class DataSqlSource<Conn> extends AbstractService implements DataSource, DataCacheListener, Function<Class, EntityInfo>, AutoCloseable, Resourcable {
+
+    protected static final Flipper FLIPPER_ONE = new Flipper(1);
+
+    protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
+
+    protected String name;
+
+    protected URL conf;
+
+    protected int threads;
+
+    protected ExecutorService executor;
+
+    protected boolean cacheForbidden;
+
+    protected PoolSource<Conn> readPool;
+
+    protected PoolSource<Conn> writePool;
+
+    @Resource(name = "$")
+    protected DataCacheListener cacheListener;
+
+    protected final BiConsumer futureCompleteConsumer = (r, t) -> {
+        if (t != null) logger.log(Level.SEVERE, "CompletableFuture complete error", (Throwable) t);
+    };
+
+    protected final BiFunction<DataSource, Class, List> fullloader = (s, t) -> querySheet(false, false, t, null, null, (FilterNode) null).list(true);
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public DataSqlSource(String unitName, Properties readprop, Properties writeprop) {
+        final AtomicInteger counter = new AtomicInteger();
+        this.threads = Integer.decode(readprop.getProperty(JDBC_CONNECTIONSMAX, "" + Runtime.getRuntime().availableProcessors() * 16));
+        if (readprop != writeprop) {
+            this.threads += Integer.decode(writeprop.getProperty(JDBC_CONNECTIONSMAX, "" + Runtime.getRuntime().availableProcessors() * 16));
+        }
+        final String cname = this.getClass().getSimpleName();
+        final Thread.UncaughtExceptionHandler ueh = (t, e) -> {
+            logger.log(Level.SEVERE, cname + " error", e);
+        };
+        this.executor = Executors.newFixedThreadPool(threads, (Runnable r) -> {
+            Thread t = new Thread(r);
+            t.setDaemon(true);
+            String s = "" + counter.incrementAndGet();
+            if (s.length() == 1) {
+                s = "00" + s;
+            } else if (s.length() == 2) {
+                s = "0" + s;
+            }
+            t.setName(cname + "-Thread-" + s);
+            t.setUncaughtExceptionHandler(ueh);
+            return t;
+        });
+        this.name = unitName;
+        this.conf = null;
+        this.cacheForbidden = "NONE".equalsIgnoreCase(readprop.getProperty(JDBC_CACHE_MODE));
+        this.readPool = createReadPoolSource(this, "read", readprop);
+        this.writePool = createWritePoolSource(this, "write", writeprop);
+    }
+
+    //是否异步， 为true则只能调用pollAsync方法，为false则只能调用poll方法
+    protected abstract boolean isAysnc();
+
+    protected abstract PoolSource<Conn> createReadPoolSource(DataSource source, String stype, Properties prop);
+
+    protected abstract PoolSource<Conn> createWritePoolSource(DataSource source, String stype, Properties prop);
+
+    @Local
+    protected abstract void closeReadConnection(final Conn conn);
+
+    @Local
+    protected abstract void closeWriteConnection(final Conn conn);
+
+    @Override
+    protected ExecutorService getExecutor() {
+        return executor;
+    }
+
+    @Override
+    public void destroy(AnyValue config) {
+        if (this.executor != null) this.executor.shutdownNow();
+    }
+
+    @Local
+    @Override
+    public String getType() {
+        return "sql";
+    }
+
+    @Override
+    public final String resourceName() {
+        return name;
+    }
+
+    @Local
+    @Override
+    public void close() throws Exception {
+        readPool.close();
+        writePool.close();
+    }
+
+    @Local
+    public PoolSource<Conn> getReadPoolSource() {
+        return readPool;
+    }
+
+    @Local
+    public PoolSource<Conn> getWritePoolSource() {
+        return writePool;
+    }
+
+    @Local
+    @Override
+    public EntityInfo apply(Class t) {
+        return loadEntityInfo(t);
+    }
+
+    protected <T> EntityInfo<T> loadEntityInfo(Class<T> clazz) {
+        return EntityInfo.load(clazz, this.cacheForbidden, this.readPool.props, this, fullloader);
+    }
+
+    protected CompletableFuture<Void> completeVoidFuture() {
+        return isAysnc() ? CompletableFuture.completedFuture(null) : null;
+    }
+
+    /**
+     * 将entity的对象全部加载到Cache中去，如果clazz没有被@javax.persistence.Cacheable注解则不做任何事
+     *
+     * @param <T>   Entity类泛型
+     * @param clazz Entity类
+     */
+    public <T> void refreshCache(Class<T> clazz) {
+        EntityInfo<T> info = loadEntityInfo(clazz);
+        EntityCache<T> cache = info.getCache();
+        if (cache == null) return;
+        cache.fullLoad();
+    }
+
+    //----------------------insertCache-----------------------------
+    /**
+     * 新增对象， 必须是Entity对象
+     *
+     * @param <T>    Entity类泛型
+     * @param values Entity对象
+     */
+    @Override
+    public <T> void insert(@RpcCall(DataCallArrayAttribute.class) T... values) {
+        if (isAysnc()) {
+            insertAsync(values).join();
+        } else {
+            if (values.length == 0) return;
+            insert(readPool.poll(), loadEntityInfo((Class<T>) values[0].getClass()), values);
+        }
+    }
+
+    @Override
+    public <T> CompletableFuture<Void> insertAsync(@RpcCall(DataCallArrayAttribute.class) T... values) {
+        final EntityInfo<T> info = loadEntityInfo((Class<T>) values[0].getClass());
+        if (isAysnc()) {
+            return readPool.pollAsync().thenApply(conn -> insert(conn, info, values)).whenComplete(futureCompleteConsumer);
+        } else {
+            return CompletableFuture.runAsync(() -> insert(readPool.poll(), info, values), getExecutor()).whenComplete(futureCompleteConsumer);
+        }
+    }
+
+    protected <T> CompletableFuture<Void> insert(final Conn conn, final EntityInfo<T> info, T... values) {
+        if (values.length == 0) return completeVoidFuture();
+        if (values.length > 1) { //检查对象是否都是同一个Entity类
+            Class clazz = null;
+            for (T val : values) {
+                if (clazz == null) {
+                    clazz = val.getClass();
+                    continue;
+                }
+                if (clazz != val.getClass()) {
+                    throw new RuntimeException("DataSource.insert must the same Class Entity, but diff is " + clazz + " and " + val.getClass());
+                }
+            }
+        }
+        if (info.isVirtualEntity()) {
+            final EntityCache<T> cache = info.getCache();
+            if (cache != null) { //更新缓存
+                for (final T value : values) {
+                    cache.insert(value);
+                }
+                if (cacheListener != null) cacheListener.insertCache(info.getType(), values);
+            }
+            return completeVoidFuture();
+        }
+        if (isAysnc()) { //异步模式
+
+        } else {
+
+        }
+        return completeVoidFuture();
+    }
+
+    protected <T> Sheet<T> querySheet(final boolean readcache, final boolean needtotal, final Class<T> clazz, final SelectColumn selects, final Flipper flipper, final FilterNode node) {
+        return null;
+    }
 }
diff --git a/src/org/redkale/source/PoolJdbcSource.java b/src/org/redkale/source/PoolJdbcSource.java
index b90d17a30..ed89aef66 100644
--- a/src/org/redkale/source/PoolJdbcSource.java
+++ b/src/org/redkale/source/PoolJdbcSource.java
@@ -250,11 +250,6 @@ public class PoolJdbcSource extends PoolSource<Connection> {
         }
     }
 
-    @Override
-    public boolean isAysnc() {
-        return false;
-    }
-
     @Override
     public Connection poll() {
         return poll(0, null);
diff --git a/src/org/redkale/source/PoolSource.java b/src/org/redkale/source/PoolSource.java
index b3aca8cd5..c50242167 100644
--- a/src/org/redkale/source/PoolSource.java
+++ b/src/org/redkale/source/PoolSource.java
@@ -96,8 +96,7 @@ public abstract class PoolSource<T> {
         } else if ("sqlserver".equals(this.dbtype)) {
             this.props.setProperty(JDBC_CONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) > 0");
             this.props.setProperty(JDBC_NOTCONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) = 0");
-        } else 
-        if ("postgresql".equals(this.dbtype)) {
+        } else if ("postgresql".equals(this.dbtype)) {
             if (!this.props.containsKey(JDBC_TABLECOPY_SQLTEMPLATE)) {
                 this.props.setProperty(JDBC_TABLECOPY_SQLTEMPLATE, "CREATE TABLE ${newtable} AS (SELECT * FROM ${oldtable} LIMIT 0)");
             }
@@ -134,13 +133,6 @@ public abstract class PoolSource<T> {
 
     protected abstract int getDefaultPort();
 
-    /**
-     * 是否异步， 为true则只能调用pollAsync方法，为false则只能调用poll方法
-     *
-     * @return 是否异步
-     */
-    public abstract boolean isAysnc();
-
     public abstract void change(Properties property);
 
     public abstract T poll();
diff --git a/src/org/redkale/source/PoolTcpSource.java b/src/org/redkale/source/PoolTcpSource.java
index 58d381986..0eef340c5 100644
--- a/src/org/redkale/source/PoolTcpSource.java
+++ b/src/org/redkale/source/PoolTcpSource.java
@@ -41,11 +41,6 @@ public abstract class PoolTcpSource extends PoolSource<AsyncConnection> {
         }
     }
 
-    @Override
-    public final boolean isAysnc() {
-        return true;
-    }
-
     @Override
     public final AsyncConnection poll() {
         return pollAsync().join();