diff --git a/src/eFaw.erl b/src/eFaw.erl
index 5cb7033..69c6b7c 100644
--- a/src/eFaw.erl
+++ b/src/eFaw.erl
@@ -68,8 +68,8 @@ closeW(WName) ->
 	supervisor:delete_child(eFaw_sup, WName).
 
 doWork(WName, Work) ->
-	toWorker(WName, Work, bind).
--spec toWorker(WName :: atom(), Work :: term(), Strategy :: rand | bind) -> overflow | true.
+	doWork(WName, Work, bind).
+-spec doWork(WName :: atom(), Work :: term(), Strategy :: rand | bind) -> overflow | true.
 doWork(WName, Work, Strategy) ->
 	FTMax = WName:getV(?fTMax),
 	WFCnt = WName:getV(?wFCnt),
@@ -95,7 +95,7 @@ doSyncWork(WName, Work) ->
 	doSyncWork(WName, Work, bind, ?WAIT_TIME).
 doSyncWork(WName, Work, Strategy) ->
 	doSyncWork(WName, Work, Strategy, ?WAIT_TIME).
--spec toWorker(WName :: atom(), Work :: term(), Strategy :: rand | bind, Timeout :: integer() | infinity) -> overflow | term().
+-spec doSyncWork(WName :: atom(), Work :: term(), Strategy :: rand | bind, Timeout :: integer() | infinity) -> overflow | term().
 doSyncWork(WName, Work, Strategy, Timeout) ->
 	FTMax = WName:getV(?fTMax),
 	WFCnt = WName:getV(?wFCnt),
@@ -245,7 +245,7 @@ inWorks(FName, Works) ->
 
 inSyncWork(FName, Work) ->
 	inSyncWork(FName, Work, ?WAIT_TIME).
--spec inSyncWork(FName :: atom(), RetTag :: atom(), Work :: term(), Timeout :: pos_integer() | infinity) -> overflow | true | false.
+-spec inSyncWork(FName :: atom(), Work :: term(), Timeout :: pos_integer() | infinity) -> overflow | true | false.
 inSyncWork(FName, Work, Timeout) ->
 	QRef = persistent_term:get(FName),
 	FTaskLen = eLfq:size(QRef),