diff --git a/pom.xml b/pom.xml
index ec1222bf7..6b26bda82 100755
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.alibaba</groupId>
 	<artifactId>fastjson</artifactId>
-	<version>1.1.36</version>
+	<version>1.1.37-SNAPSHOT</version>
 
 	<packaging>jar</packaging>
 	<name>fastjson</name>
diff --git a/src/main/java/com/alibaba/fastjson/JSON.java b/src/main/java/com/alibaba/fastjson/JSON.java
index ea3afe761..17ed06663 100755
--- a/src/main/java/com/alibaba/fastjson/JSON.java
+++ b/src/main/java/com/alibaba/fastjson/JSON.java
@@ -259,6 +259,10 @@ public abstract class JSON implements JSONStreamAware, JSONAware {
         for (int i = 0; i < size; ++i) {
             ResolveTask task = resolveTaskList.get(i);
             FieldDeserializer fieldDeser = task.getFieldDeserializer();
+            
+            if (fieldDeser == null) {
+                continue;
+            }
 
             Object object = null;
             if (task.getOwnerContext() != null) {
@@ -698,5 +702,5 @@ public abstract class JSON implements JSONStreamAware, JSONAware {
         return TypeUtils.cast(json, clazz, ParserConfig.getGlobalInstance());
     }
 
-    public final static String VERSION = "1.1.35";
+    public final static String VERSION = "1.1.37";
 }
diff --git a/src/main/java/com/alibaba/fastjson/serializer/PascalNameFilter.java b/src/main/java/com/alibaba/fastjson/serializer/PascalNameFilter.java
index fa0ae2054..624f368ba 100755
--- a/src/main/java/com/alibaba/fastjson/serializer/PascalNameFilter.java
+++ b/src/main/java/com/alibaba/fastjson/serializer/PascalNameFilter.java
@@ -7,11 +7,10 @@ public class PascalNameFilter implements NameFilter {
             return name;
         }
         
-        char firstChar = name.charAt(0);
-        char upperFirstChar = Character.toUpperCase(firstChar);
+        char[] chars = name.toCharArray();
+        chars[0]= Character.toUpperCase(chars[0]);
         
-        String pascalName = upperFirstChar + name.substring(1);
+        String pascalName = new String(chars);
         return pascalName;
     }
-
 }