Update NetworkFailureException.java

java/net/micode/notes/gtask/exception/NetworkFailureException.java

@@ -19,14 +19,15 @@ package net.micode.notes.gtask.exception;
 public class NetworkFailureException extends Exception {
     private static final long serialVersionUID = 2107610287180234136L;
 
+	// 无参构造函数
     public NetworkFailureException() {
         super();
     }
-
+	// 带消息的构造函数
     public NetworkFailureException(String paramString) {
         super(paramString);
     }
-
+	// 带消息和原因的构造函数
     public NetworkFailureException(String paramString, Throwable paramThrowable) {
         super(paramString, paramThrowable);
     }