diff --git a/src/org/redkale/source/DataJdbcSource.java b/src/org/redkale/source/DataJdbcSource.java
index 0962b7a41..e625577f3 100644
--- a/src/org/redkale/source/DataJdbcSource.java
+++ b/src/org/redkale/source/DataJdbcSource.java
@@ -207,7 +207,7 @@ public class DataJdbcSource extends DataSqlSource<Connection> {
     }
 
     @Override
-    protected <T> CompletableFuture<Integer> clearTableDB(EntityInfo<T> info, String sql) {
+    protected <T> CompletableFuture<Integer> clearTableDB(EntityInfo<T> info, final String table, String sql) {
         Connection conn = null;
         try {
             conn = writePool.poll();
@@ -228,7 +228,7 @@ public class DataJdbcSource extends DataSqlSource<Connection> {
     }
 
     @Override
-    protected <T> CompletableFuture<Integer> dropTableDB(EntityInfo<T> info, String sql) {
+    protected <T> CompletableFuture<Integer> dropTableDB(EntityInfo<T> info, final String table, String sql) {
         Connection conn = null;
         try {
             conn = writePool.poll();
@@ -237,6 +237,10 @@ public class DataJdbcSource extends DataSqlSource<Connection> {
             final Statement stmt = conn.createStatement();
             int c = stmt.executeUpdate(sql);
             stmt.close();
+            if (info.getTableStrategy() != null) {
+                String tablekey = table.indexOf('.') > 0 ? table : (conn.getCatalog() + '.' + table);
+                info.removeDisTable(tablekey);
+            }
             return CompletableFuture.completedFuture(c);
         } catch (SQLException e) {
             if (info.isTableNotExist(e)) return CompletableFuture.completedFuture(-1);
diff --git a/src/org/redkale/source/DataMemorySource.java b/src/org/redkale/source/DataMemorySource.java
index 8fee91d50..2eba78f06 100644
--- a/src/org/redkale/source/DataMemorySource.java
+++ b/src/org/redkale/source/DataMemorySource.java
@@ -94,12 +94,12 @@ public class DataMemorySource extends DataSqlSource<Void> {
     }
 
     @Override
-    protected <T> CompletableFuture<Integer> clearTableDB(EntityInfo<T> info, String sql) {
+    protected <T> CompletableFuture<Integer> clearTableDB(EntityInfo<T> info, final String table, String sql) {
         return CompletableFuture.completedFuture(0);
     }
 
     @Override
-    protected <T> CompletableFuture<Integer> dropTableDB(EntityInfo<T> info, String sql) {
+    protected <T> CompletableFuture<Integer> dropTableDB(EntityInfo<T> info, final String table, String sql) {
         return CompletableFuture.completedFuture(0);
     }
 
diff --git a/src/org/redkale/source/DataSqlSource.java b/src/org/redkale/source/DataSqlSource.java
index 927c20e4b..bc595bbf9 100644
--- a/src/org/redkale/source/DataSqlSource.java
+++ b/src/org/redkale/source/DataSqlSource.java
@@ -137,10 +137,10 @@ public abstract class DataSqlSource<DBChannel> extends AbstractService implement
     protected abstract <T> CompletableFuture<Integer> deleteDB(final EntityInfo<T> info, Flipper flipper, final String sql);
 
     //清空表
-    protected abstract <T> CompletableFuture<Integer> clearTableDB(final EntityInfo<T> info, final String sql);
+    protected abstract <T> CompletableFuture<Integer> clearTableDB(final EntityInfo<T> info, final String table, final String sql);
 
     //删除表
-    protected abstract <T> CompletableFuture<Integer> dropTableDB(final EntityInfo<T> info, final String sql);
+    protected abstract <T> CompletableFuture<Integer> dropTableDB(final EntityInfo<T> info, final String table, final String sql);
 
     //更新纪录
     protected abstract <T> CompletableFuture<Integer> updateDB(final EntityInfo<T> info, T... entitys);
@@ -608,9 +608,10 @@ public abstract class DataSqlSource<DBChannel> extends AbstractService implement
     }
 
     protected <T> CompletableFuture<Integer> clearTableCompose(final EntityInfo<T> info, final FilterNode node) {
-        String sql = "TRUNCATE TABLE " + info.getTable(node);
+        final String table = info.getTable(node);
+        String sql = "TRUNCATE TABLE " + table;
         if (info.isLoggable(logger, Level.FINEST, sql)) logger.finest(info.getType().getSimpleName() + " clearTable sql=" + sql);
-        return clearTableDB(info, sql);
+        return clearTableDB(info, table, sql);
     }
 
     //----------------------------- dropTableCompose -----------------------------
@@ -660,9 +661,10 @@ public abstract class DataSqlSource<DBChannel> extends AbstractService implement
     }
 
     protected <T> CompletableFuture<Integer> dropTableCompose(final EntityInfo<T> info, final FilterNode node) {
-        String sql = "DROP TABLE " + info.getTable(node);
+        final String table = info.getTable(node);
+        String sql = "DROP TABLE " + table;
         if (info.isLoggable(logger, Level.FINEST, sql)) logger.finest(info.getType().getSimpleName() + " dropTable sql=" + sql);
-        return dropTableDB(info, sql);
+        return dropTableDB(info, table, sql);
     }
 
     protected <T> int clearTableCache(final EntityInfo<T> info, FilterNode node) {
diff --git a/src/org/redkale/source/EntityInfo.java b/src/org/redkale/source/EntityInfo.java
index 39f401591..edf7fdd54 100644
--- a/src/org/redkale/source/EntityInfo.java
+++ b/src/org/redkale/source/EntityInfo.java
@@ -9,7 +9,7 @@ import java.io.Serializable;
 import java.lang.reflect.*;
 import java.sql.*;
 import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
 import java.util.function.*;
 import java.util.logging.*;
@@ -95,7 +95,7 @@ public final class EntityInfo<T> {
     private final String tablecopySQL;
 
     //用于存在database.table_20160202类似这种分布式表
-    private final Set<String> tables = new HashSet<>();
+    private final Set<String> tables = new CopyOnWriteArraySet<>();
 
     //分表 策略
     private final DistributeTableStrategy<T> tableStrategy;
@@ -522,6 +522,10 @@ public final class EntityInfo<T> {
         tables.add(tablekey);
     }
 
+    public boolean removeDisTable(String tablekey) {
+        return tables.remove(tablekey);
+    }
+
     public String getTableNotExistSqlStates2() {
         return tablenotexistSqlstates;
     }