enjoy 3.4

src/main/java/com/jfinal/template/stat/ast/Text.java

@@ -57,43 +57,47 @@ public class Text extends Stat implements IWritable {
 			return bytes;
 		}
 		
-		if (content != null) {
 		synchronized (this) {
+			if (bytes != null) {
+				return bytes;
+			}
+			
 			if (content != null) {
 				bytes = content.toString().getBytes(charset);
 				content = null;
 				return bytes;
-				}
-			}
-		}
-		
+			} else {
 				bytes = new String(chars).getBytes(charset);
 				return bytes;
 			}
+		}
+	}
 	
 	public char[] getChars() {
 		if (chars != null) {
 			return chars;
 		}
 		
-		if (content != null) {
 		synchronized (this) {
+			if (chars != null) {
+				return chars;
+			}
+			
 			if (content != null) {
 				char[] charsTemp = new char[content.length()];
 				content.getChars(0, content.length(), charsTemp, 0);
 				chars = charsTemp;
 				content = null;
 				return chars;
-				}
-			}
-		}
-		
+			} else {
 				String strTemp = new String(bytes, charset);
 				char[] charsTemp = new char[strTemp.length()];
 				strTemp.getChars(0, strTemp.length(), charsTemp, 0);
 				chars = charsTemp;
 				return chars;
 			}
+		}
+	}
 	
 	public boolean isEmpty() {
 		if (content != null) {