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 bd100aa8d8..cee93d7a4a 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
@@ -292,7 +292,7 @@ public class SQLExprParser extends SQLParser {
 
                     return primaryRest(sqlExpr);
                 } else {
-                    SQLExpr restExpr = expr();
+                    SQLExpr restExpr = equality();
                     sqlExpr = new SQLNotExpr(restExpr);
                 }
                 break;
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/EqualTest_not_2.java b/src/test/java/com/alibaba/druid/bvt/sql/EqualTest_not_2.java
new file mode 100644
index 0000000000..912b6d0f0e
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/EqualTest_not_2.java
@@ -0,0 +1,26 @@
+package com.alibaba.druid.bvt.sql;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNotExpr;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser;
+
+public class EqualTest_not_2 extends TestCase {
+
+    public void test_exits() throws Exception {
+        String sql = "NOT A=1 AND NOT B=1";
+        SQLNotExpr exprA, exprB;
+        {
+            OracleExprParser parser = new OracleExprParser(sql);
+            SQLBinaryOpExpr binaryEpr = (SQLBinaryOpExpr) parser.expr();
+            exprA = (SQLNotExpr) binaryEpr.getLeft();
+            exprB = (SQLNotExpr) binaryEpr.getRight();
+        }
+
+        Assert.assertNotNull(exprA);
+        Assert.assertNotNull(exprB);
+    }
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/utils/JdbcUtilsTest2.java b/src/test/java/com/alibaba/druid/bvt/utils/JdbcUtilsTest2.java
new file mode 100644
index 0000000000..b9dc4c81cb
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/utils/JdbcUtilsTest2.java
@@ -0,0 +1,15 @@
+package com.alibaba.druid.bvt.utils;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.util.JdbcConstants;
+import com.alibaba.druid.util.JdbcUtils;
+
+import junit.framework.TestCase;
+
+
+public class JdbcUtilsTest2 extends TestCase {
+    public void test_get_0() throws Exception {
+        Assert.assertEquals(JdbcConstants.ORACLE_DRIVER, JdbcUtils.getDriverClassName("JDBC:oracle:"));
+    }
+}