diff --git a/pom.xml b/pom.xml
index 3483d58905..f2e66d77b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
  -->
 	<groupId>com.alibaba</groupId>
 	<artifactId>druid</artifactId>
-	<version>1.1.3-preview_14</version>
+	<version>1.1.3-preview_23</version>
 
 	<packaging>jar</packaging>
 	<name>druid</name>
@@ -463,7 +463,6 @@
 			<version>2.5</version>
 			<scope>provided</scope>
 		</dependency>
-
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
index 6d0ab311ee..d4c493f4f6 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
@@ -195,12 +195,12 @@ public class MySqlExprParser extends SQLExprParser {
                     expr = new SQLHexExpr(charValue);
 
                     return primaryRest(expr);
-                } else if (ident.equalsIgnoreCase("b")) {
-                    String charValue = lexer.stringVal();
-                    lexer.nextToken();
-                    expr = new SQLBinaryExpr(charValue);
-
-                    return primaryRest(expr);
+//                } else if (ident.equalsIgnoreCase("b")) {
+//                    String charValue = lexer.stringVal();
+//                    lexer.nextToken();
+//                    expr = new SQLBinaryExpr(charValue);
+//
+//                    return primaryRest(expr);
                 } else if (ident.startsWith("_")) {
                     String charValue = lexer.stringVal();
                     lexer.nextToken();
@@ -277,15 +277,15 @@ public class MySqlExprParser extends SQLExprParser {
 
                     return primaryRest(expr);
                 }
-            } else if (expr instanceof SQLIntegerExpr) {
-                SQLIntegerExpr intExpr = (SQLIntegerExpr) expr;
-                String binaryString = lexer.stringVal();
-                if (intExpr.getNumber().intValue() == 0 && binaryString.startsWith("b")) {
-                    lexer.nextToken();
-                    expr = new SQLBinaryExpr(binaryString.substring(1));
-
-                    return primaryRest(expr);
-                }
+//            } else if (expr instanceof SQLIntegerExpr) {
+//                SQLIntegerExpr intExpr = (SQLIntegerExpr) expr;
+//                String binaryString = lexer.stringVal();
+//                if (intExpr.getNumber().intValue() == 0 && binaryString.startsWith("b")) {
+//                    lexer.nextToken();
+//                    expr = new SQLBinaryExpr(binaryString.substring(1));
+//
+//                    return primaryRest(expr);
+//                }
             }
         }
 
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java
index f1b72099b0..c70e52d005 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java
@@ -218,8 +218,29 @@ public class MySqlLexer extends Lexer {
     public void scanIdentifier() {
         final char first = ch;
 
-        if (ch == '`') {
+        if (ch == 'b' && charAt(pos + 1) == '\'') {
+            int i = 2;
+            int mark = pos + 2;
+            for (;;++i) {
+                char ch = charAt(pos + i);
+                if (ch == '0' || ch == '1') {
+                    continue;
+                } else if (ch == '\'') {
+                    bufPos += i;
+                    pos += (i + 1);
+                    stringVal = subString(mark, i - 2);
+                    this.ch = charAt(pos);
+                    token = Token.BITS;
+                    return;
+                } else if (ch == EOI) {
+                    throw new ParserException("illegal identifier. " + info());
+                } else {
+                    break;
+                }
+            }
+        }
 
+        if (ch == '`') {
             mark = pos;
             bufPos = 1;
             char ch;
@@ -453,6 +474,26 @@ public class MySqlLexer extends Lexer {
     public void scanNumber() {
         mark = pos;
 
+        if (ch == '0' && charAt(pos + 1) == 'b') {
+            int i = 2;
+            int mark = pos + 2;
+            for (;;++i) {
+                char ch = charAt(pos + i);
+                if (ch == '0' || ch == '1') {
+                    continue;
+                } else if (ch >= '2' && ch <= '9') {
+                    break;
+                } else {
+                    bufPos += i;
+                    pos += i;
+                    stringVal = subString(mark, i - 2);
+                    this.ch = charAt(pos);
+                    token = Token.BITS;
+                    return;
+                }
+            }
+        }
+
         if (ch == '-') {
             bufPos++;
             ch = charAt(++pos);
diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
index bb6fe3ce21..ae4bb2a30f 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
@@ -652,6 +652,12 @@ public class SQLExprParser extends SQLParser {
                 lexer.nextToken();
                 sqlExpr = new SQLBooleanExpr(false);
                 break;
+            case BITS: {
+                String strVal = lexer.stringVal();
+                lexer.nextToken();
+                sqlExpr = new SQLBinaryExpr(strVal);
+                break;
+            }
             default:
                 throw new ParserException("ERROR" + lexer.info());
         }
diff --git a/src/main/java/com/alibaba/druid/sql/parser/Token.java b/src/main/java/com/alibaba/druid/sql/parser/Token.java
index e0a1ef5241..f040296c0d 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/Token.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/Token.java
@@ -130,6 +130,8 @@ public enum Token {
     SHOW("SHOW"),
     REPLACE("REPLACE"),
 
+    BITS,
+
     // MySql procedure add by zz
     WHILE("WHILE"),
     DO("DO"),
@@ -256,7 +258,7 @@ public enum Token {
     LITERAL_HEX,
     LITERAL_CHARS,
     LITERAL_NCHARS,
-    
+
     LITERAL_ALIAS,
     LINE_COMMENT,
     MULTI_LINE_COMMENT,
diff --git a/src/test/java/com/alibaba/druid/bvt/bug/Issue1898.java b/src/test/java/com/alibaba/druid/bvt/bug/Issue1898.java
new file mode 100644
index 0000000000..00ae3e962b
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/bug/Issue1898.java
@@ -0,0 +1,16 @@
+package com.alibaba.druid.bvt.bug;
+
+import junit.framework.TestCase;
+import org.junit.Test;
+
+/**
+ * Created by wenshao on 14/08/2017.
+ */
+public class Issue1898 extends TestCase {
+    public void test_for_issue() throws Exception {
+        String sql = "SELECT 0 bSomething";
+        String formatted = com.alibaba.druid.sql.SQLUtils.format(sql, "mysql");
+//        assertNotEquals("SELECT b'Something'", formatted);
+        assertEquals("SELECT 0 AS bSomething", formatted);
+    }
+}