diff --git a/src/main/java/io/mycat/server/response/ShowFullTables.java b/src/main/java/io/mycat/server/response/ShowFullTables.java
index 9be6ef9d82547eaa9ef5b1fb618054fca0d2719e..ecc25c54db8dcd2d6d785f9f5d02e05715fec1bf 100644
--- a/src/main/java/io/mycat/server/response/ShowFullTables.java
+++ b/src/main/java/io/mycat/server/response/ShowFullTables.java
@@ -101,7 +101,7 @@ public class ShowFullTables {
 
         for (String name : tableSet) {
             RowDataPacket row = new RowDataPacket(FIELD_COUNT);
-            row.add(StringUtil.encode(name, c.getCharset()));
+            row.add(StringUtil.encode(name.toLowerCase(), c.getCharset()));
             row.add(StringUtil.encode("BASE TABLE", c.getCharset()));
             row.packetId = ++packetId;
             buffer = row.write(buffer, c,true);