diff --git a/README.md b/README.md
index aefdf328..9908b6f6 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Install as plugin:
 
 ### Elasticsearch 1.6.X
 ````
-./bin/plugin -u https://github.com/NLPchina/elasticsearch-sql/releases/download/1.4.1/elasticsearch-sql-1.4.1.zip --install sql
+./bin/plugin -u https://github.com/NLPchina/elasticsearch-sql/releases/download/1.4.2/elasticsearch-sql-1.4.2.zip --install sql
 ````
 
 After doing this, you need to restart the Elasticsearch server. Otherwise you may get errors like `Invalid index name [sql], must not start with '']; ","status":400}`.
diff --git a/pom.xml b/pom.xml
index bd2929c1..22998f05 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.nlpcn</groupId>
     <artifactId>elasticsearch-sql</artifactId>
-    <version>1.4.1</version>
+    <version>1.4.2</version>
     <packaging>jar</packaging>
     <description>Query elasticsearch using SQL</description>
     <name>elasticsearch-sql</name>
diff --git a/src/main/java/org/nlpcn/es4sql/parse/ElasticLexer.java b/src/main/java/org/nlpcn/es4sql/parse/ElasticLexer.java
index 24f0a75e..c281d7b2 100644
--- a/src/main/java/org/nlpcn/es4sql/parse/ElasticLexer.java
+++ b/src/main/java/org/nlpcn/es4sql/parse/ElasticLexer.java
@@ -88,6 +88,6 @@ public void scanIdentifier() {
 
 
     private boolean isElasticIdentifierChar(char ch) {
-        return ch == '*' || ch == ':' || ch == '-'  || isIdentifierChar(ch);
+        return ch == '*' || ch == ':' || ch == '-'  || ch == '.' || isIdentifierChar(ch);
     }
 }
diff --git a/src/main/java/org/nlpcn/es4sql/parse/SqlParser.java b/src/main/java/org/nlpcn/es4sql/parse/SqlParser.java
index 0cc752e4..e85367cb 100644
--- a/src/main/java/org/nlpcn/es4sql/parse/SqlParser.java
+++ b/src/main/java/org/nlpcn/es4sql/parse/SqlParser.java
@@ -437,7 +437,7 @@ private List<Field> getConnectedFields(List<Condition> conditions, String alias)
                 fields.add(new Field(condition.getName().replaceFirst(prefix,""),null));
             }
             else {
-                if(! ((condition.getValue() instanceof SQLPropertyExpr)||(condition.getValue() instanceof String))){
+                if(! ((condition.getValue() instanceof SQLPropertyExpr)||(condition.getValue() instanceof SQLIdentifierExpr)||(condition.getValue() instanceof String))){
                     throw new SqlParseException("conditions on join should be one side is firstTable second Other , condition was:" + condition.toString());
                 }
                 String aliasDotValue = condition.getValue().toString();
@@ -517,7 +517,7 @@ private void removeAliasPrefix(Where where, String alias) {
     private void addIfConditionRecursive(Where where, List<Condition> conditions) throws SqlParseException {
         if(where instanceof Condition){
             Condition cond = (Condition) where;
-            if( ! ((cond.getValue() instanceof  SQLPropertyExpr)|| (cond.getValue() instanceof  String))){
+            if( ! ((cond.getValue() instanceof  SQLIdentifierExpr) ||(cond.getValue() instanceof  SQLPropertyExpr)|| (cond.getValue() instanceof  String))){
                 throw new SqlParseException("conditions on join should be one side is secondTable OPEAR firstTable, condition was:" + cond.toString());
             }
             conditions.add(cond);
diff --git a/src/main/java/org/nlpcn/es4sql/query/ESActionFactory.java b/src/main/java/org/nlpcn/es4sql/query/ESActionFactory.java
index 93ee7a89..442d4b70 100644
--- a/src/main/java/org/nlpcn/es4sql/query/ESActionFactory.java
+++ b/src/main/java/org/nlpcn/es4sql/query/ESActionFactory.java
@@ -45,7 +45,8 @@ public class ESActionFactory {
 	 * @return Query object.
 	 */
 	public static QueryAction create(Client client, String sql) throws SqlParseException, SQLFeatureNotSupportedException {
-		String firstWord = sql.substring(0, sql.indexOf(' '));
+		sql = sql.replaceAll("\n"," ");
+        String firstWord = sql.substring(0, sql.indexOf(' '));
         switch (firstWord.toUpperCase()) {
 			case "SELECT":
 				SQLQueryExpr sqlExpr = (SQLQueryExpr) toSqlExpr(sql);
diff --git a/src/test/java/org/nlpcn/es4sql/SqlParserTests.java b/src/test/java/org/nlpcn/es4sql/SqlParserTests.java
index 2620b4d6..b4f67904 100644
--- a/src/test/java/org/nlpcn/es4sql/SqlParserTests.java
+++ b/src/test/java/org/nlpcn/es4sql/SqlParserTests.java
@@ -394,7 +394,14 @@ public void innerQueryTestTwoQueries() throws SqlParseException {
         Assert.assertEquals(2,select.getSubQueries().size());
     }
 
-
+    @Test
+    public void indexWithDotsAndHyphen() throws SqlParseException {
+        String query = "select * from data-2015.08.22";
+        SQLExpr sqlExpr = queryToExpr(query);
+        Select select = parser.parseSelect((SQLQueryExpr) sqlExpr);
+        Assert.assertEquals(1,select.getFrom().size());
+        Assert.assertEquals("data-2015.08.22",select.getFrom().get(0).getIndex());
+    }
 
     private SQLExpr queryToExpr(String query) {
         return new ElasticSqlExprParser(query).expr();
@@ -410,8 +417,7 @@ private boolean conditionExist(List<Condition> conditions, String from, String t
             boolean fromIsEqual = condition.getName().equals(from);
             if(!fromIsEqual) continue;
 
-            SQLPropertyExpr value = (SQLPropertyExpr) condition.getValue();
-            String[] valueAliasAndField = value.toString().split("\\.",2);
+            String[] valueAliasAndField = condition.getValue().toString().split("\\.",2);
             boolean toFieldNameIsEqual = valueAliasAndField[1].equals(toField);
             boolean toAliasIsEqual =  valueAliasAndField[0].equals(toAlias);
             boolean toIsEqual = toAliasIsEqual && toFieldNameIsEqual;