diff --git a/R/worker.R b/R/worker.R
index 80fac9a..517958b 100644
--- a/R/worker.R
+++ b/R/worker.R
@@ -111,30 +111,42 @@
 #' jiebaR worker.
 #' 
 #' @examples 
-#' ### Note: Can not display Chinese character on Windows here.
+#' ### Note: Can not display Chinese characters here.
 #' \dontrun{
 #' words = "hello world"
-#' test1 = worker()
-#' test1
-#' test1 <= words
+#' engine1 = worker()
+#' segment(words, engine1)
 #'
-#' test <= "./temp.txt"
-#'  
-#' engine2 = worker("mix",symbol = T)
-#' engine2 <= "./temp.txt"
-#' engine2
-#' engine2$symbol = T
-#' engine2
-#' engine2 <= words
+#' # "./temp.txt" is a file path
 #' 
-#' engine3 = worker(type = "mix", dict = "dict_path",symbol = T)
-#' engine3 <= "./temp.txt"
+#' segment("./temp.txt", engine1)
+#' 
+#' engine2 = worker("hmm")
+#' segment("./temp.txt", engine2)
+#' 
+#' engine2$write = T
+#' segment("./temp.txt", engine2)
 #'
-#' keys = worker("keywords", topn = 1)
-#' keys <= words
+#' engine3 = worker(type = "mix", dict = "dict_path",symbol = T)
+#' segment("./temp.txt", engine3)
+#'  }
+#'  
+#' \dontrun{
+#' ### Keyword Extraction
+#' engine = worker("keywords", topn = 1)
+#' keywords(words, engine)
+#' 
+#' ### Speech Tagging 
 #' tagger = worker("tag")
-#' tagger <= words}
+#' tagging(words, tagger)
+#' 
+#' ### Simhash
+#' simhasher = worker("simhash", topn = 1)
+#' simhash(words, simhasher)
+#' distance("hello world" , "hello world!" , simhasher)
 #' 
+#' show_dictpath()
+#' }
 #' @export
 worker <- function(type = "mix", dict = DICTPATH, hmm = HMMPATH, 
                    user = USERPATH, idf = IDFPATH, stop_word = STOPPATH, write = T,
diff --git a/man/worker.Rd b/man/worker.Rd
index 0e0ade4..65425ea 100644
--- a/man/worker.Rd
+++ b/man/worker.Rd
@@ -123,29 +123,41 @@ and uses simhash algorithm to compute simhash.  \code{dict}
 jiebaR worker.
 }
 \examples{
-### Note: Can not display Chinese character on Windows here.
+### Note: Can not display Chinese characters here.
 \dontrun{
 words = "hello world"
-test1 = worker()
-test1
-test1 <= words
+engine1 = worker()
+segment(words, engine1)
 
-test <= "./temp.txt"
- 
-engine2 = worker("mix",symbol = T)
-engine2 <= "./temp.txt"
-engine2
-engine2$symbol = T
-engine2
-engine2 <= words
+# "./temp.txt" is a file path
+
+segment("./temp.txt", engine1)
+
+engine2 = worker("hmm")
+segment("./temp.txt", engine2)
+
+engine2$write = T
+segment("./temp.txt", engine2)
 
 engine3 = worker(type = "mix", dict = "dict_path",symbol = T)
-engine3 <= "./temp.txt"
+segment("./temp.txt", engine3)
+ }
+ 
+\dontrun{
+### Keyword Extraction
+engine = worker("keywords", topn = 1)
+keywords(words, engine)
 
-keys = worker("keywords", topn = 1)
-keys <= words
+### Speech Tagging 
 tagger = worker("tag")
-tagger <= words}
+tagging(words, tagger)
 
+### Simhash
+simhasher = worker("simhash", topn = 1)
+simhash(words, simhasher)
+distance("hello world" , "hello world!" , simhasher)
+
+show_dictpath()
+}
 }