diff --git a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/LogEventConvert.java b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/LogEventConvert.java
index a6add720..603f4543 100644
--- a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/LogEventConvert.java
+++ b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/LogEventConvert.java
@@ -215,15 +215,13 @@ public class LogEventConvert extends AbstractCanalLifeCycle implements BinlogPar
             // 更新下table meta cache
             if (tableMetaCache != null
                 && (result.getType() == EventType.ALTER || result.getType() == EventType.ERASE || result.getType() == EventType.RENAME)) {
-
-                for(DdlResult renameResult=result ;renameResult!=null; renameResult = renameResult.getRenameTableResult()) {
-                    String schemaName0 = event.getDbName();  //防止 rename语句后产生 schema变更带来影响
+                for (DdlResult renameResult = result; renameResult != null; renameResult = renameResult.getRenameTableResult()) {
+                    String schemaName0 = event.getDbName(); // 防止rename语句后产生schema变更带来影响
                     if (StringUtils.isNotEmpty(renameResult.getSchemaName())) {
                         schemaName0 = renameResult.getSchemaName();
                     }
 
                     tableName = renameResult.getTableName();
-
                     if (StringUtils.isNotEmpty(tableName)) {
                         // 如果解析到了正确的表信息，则根据全名进行清除
                         tableMetaCache.clearTableMeta(schemaName0, tableName);
diff --git a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/SimpleDdlParser.java b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/SimpleDdlParser.java
index f9508816..17650b93 100644
--- a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/SimpleDdlParser.java
+++ b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/SimpleDdlParser.java
@@ -23,15 +23,15 @@ import com.alibaba.otter.canal.protocol.CanalEntry.EventType;
  */
 public class SimpleDdlParser {
 
-    public static final String CREATE_PATTERN       = "^\\s*CREATE\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
-    public static final String DROP_PATTERN         = "^\\s*DROP\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
-    public static final String ALERT_PATTERN        = "^\\s*ALTER\\s*(IGNORE)?\\s*TABLE\\s*(.*)$";
-    public static final String TRUNCATE_PATTERN     = "^\\s*TRUNCATE\\s*(TABLE)?\\s*(.*)$";
-    public static final String TABLE_PATTERN        = "^(IF\\s*NOT\\s*EXISTS\\s*)?(IF\\s*EXISTS\\s*)?(`?.+?`?[;\\(\\s]+?)?.*$";         // 采用非贪婪模式
-    public static final String INSERT_PATTERN       = "^\\s*(INSERT|MERGE|REPLACE)(.*)$";
-    public static final String UPDATE_PATTERN       = "^\\s*UPDATE(.*)$";
-    public static final String DELETE_PATTERN       = "^\\s*DELETE(.*)$";
-    public static final String RENAME_PATTERN       = "^\\s*RENAME\\s*TABLE\\s*(.*?)\\s*TO\\s*(.*?)$";
+    public static final String CREATE_PATTERN         = "^\\s*CREATE\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
+    public static final String DROP_PATTERN           = "^\\s*DROP\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
+    public static final String ALERT_PATTERN          = "^\\s*ALTER\\s*(IGNORE)?\\s*TABLE\\s*(.*)$";
+    public static final String TRUNCATE_PATTERN       = "^\\s*TRUNCATE\\s*(TABLE)?\\s*(.*)$";
+    public static final String TABLE_PATTERN          = "^(IF\\s*NOT\\s*EXISTS\\s*)?(IF\\s*EXISTS\\s*)?(`?.+?`?[;\\(\\s]+?)?.*$";         // 采用非贪婪模式
+    public static final String INSERT_PATTERN         = "^\\s*(INSERT|MERGE|REPLACE)(.*)$";
+    public static final String UPDATE_PATTERN         = "^\\s*UPDATE(.*)$";
+    public static final String DELETE_PATTERN         = "^\\s*DELETE(.*)$";
+    public static final String RENAME_PATTERN         = "^\\s*RENAME\\s*TABLE\\s*(.*?)\\s*TO\\s*(.*?)$";
     public static final String RENAME_REMNANT_PATTERN = "^\\s*(.*?)\\s*TO\\s*(.*?)$";
     /**
      * <pre>
@@ -43,8 +43,8 @@ public class SimpleDdlParser {
      * http://dev.mysql.com/doc/refman/5.6/en/create-index.html
      * </pre>
      */
-    public static final String CREATE_INDEX_PATTERN = "^\\s*CREATE\\s*(UNIQUE)?(FULLTEXT)?(SPATIAL)?\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
-    public static final String DROP_INDEX_PATTERN   = "^\\s*DROP\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
+    public static final String CREATE_INDEX_PATTERN   = "^\\s*CREATE\\s*(UNIQUE)?(FULLTEXT)?(SPATIAL)?\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
+    public static final String DROP_INDEX_PATTERN     = "^\\s*DROP\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
 
     public static DdlResult parse(String queryString, String schmeaName) {
         queryString = removeComment(queryString); // 去除/* */的sql注释内容
@@ -76,10 +76,10 @@ public class SimpleDdlParser {
         if (result != null) {
             result.setType(EventType.RENAME);
 
-            String[] renameStrings =  queryString.split(",");
-            if (renameStrings.length > 1){
+            String[] renameStrings = queryString.split(",");
+            if (renameStrings.length > 1) {
                 DdlResult lastResult = result;
-                for (int i=1; i<renameStrings.length; i++){
+                for (int i = 1; i < renameStrings.length; i++) {
                     DdlResult ddlResult = parseRename(renameStrings[i], schmeaName, RENAME_REMNANT_PATTERN);
                     ddlResult.setType(EventType.RENAME);
                     lastResult.setRenameTableResult(ddlResult);
@@ -222,18 +222,16 @@ public class SimpleDdlParser {
 
         private String    schemaName;
         private String    tableName;
-        private String    oriSchemaName; // rename ddl中的源表
-        private String    oriTableName; // rename ddl中的目标表
+        private String    oriSchemaName;    // rename ddl中的源表
+        private String    oriTableName;     // rename ddl中的目标表
         private EventType type;
         private DdlResult renameTableResult; // 多个rename table的存储
 
         /*
-        RENAME TABLE tbl_name TO new_tbl_name
-              [, tbl_name2 TO new_tbl_name2] ...
-
+         * RENAME TABLE tbl_name TO new_tbl_name [, tbl_name2 TO new_tbl_name2]
+         * ...
          */
 
-
         public DdlResult(){
         }
 
@@ -305,14 +303,16 @@ public class SimpleDdlParser {
         public String toString() {
             DdlResult ddlResult = this;
             StringBuffer sb = new StringBuffer();
-            do{
+            do {
                 sb.append(String.format("DdlResult [schemaName=%s , tableName=%s , oriSchemaName=%s , oriTableName=%s , type=%s ];",
-                        ddlResult.schemaName, ddlResult.tableName, ddlResult.oriSchemaName, ddlResult.oriTableName, ddlResult.type));
+                    ddlResult.schemaName,
+                    ddlResult.tableName,
+                    ddlResult.oriSchemaName,
+                    ddlResult.oriTableName,
+                    ddlResult.type));
                 ddlResult = ddlResult.renameTableResult;
-            }while (ddlResult!=null);
-
+            } while (ddlResult != null);
             return sb.toString();
         }
-
     }
 }