jfinal 4.3 release ^_^

src/main/java/com/jfinal/template/expr/ast/FieldKit.java

@@ -147,7 +147,7 @@ public class FieldKit {
 	 * 极速模式将生成代理对象来消除 java.lang.reflect.Method.invoke(...) 调用，
 	 * 性能提升 12.9%
 	 */
-	public static void setFastMode(boolean fastMode) {
+	public static synchronized void setFastMode(boolean fastMode) {
 		if (fastMode) {
 			if ( !contains(FastFieldGetter.class) ) {
 				addFieldGetterToFirst(new FastFieldGetter());