diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
index 3e2a6ed815..16ebda9391 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
@@ -775,15 +775,19 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
 
     @Override
     public boolean visit(OracleBinaryFloatExpr x) {
-        print0(x.getValue().toString());
-        print('F');
+        if (x != null && x.getValue() != null) {
+            print0(x.getValue().toString());
+            print('F');
+        }
         return false;
     }
 
     @Override
     public boolean visit(OracleBinaryDoubleExpr x) {
-        print0(x.getValue().toString());
-        print('D');
+        if (x != null && x.getValue() != null) {
+            print0(x.getValue().toString());
+            print('D');
+        }
         return false;
     }
 
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
index 4431108e9f..7355cae438 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
@@ -957,14 +957,18 @@ public class PGOutputVisitor extends SQLASTOutputVisitor implements PGASTVisitor
     }
 
     public boolean visit(OracleBinaryFloatExpr x) {
-        print0(x.getValue().toString());
-        print('F');
+        if (x != null && x.getValue() != null) {
+            print0(x.getValue().toString());
+            print('F');
+        }
         return false;
     }
 
     public boolean visit(OracleBinaryDoubleExpr x) {
-        print0(x.getValue().toString());
-        print('D');
+        if (x != null && x.getValue() != null) {
+            print0(x.getValue().toString());
+            print('D');
+        }
         return false;
     }