diff --git a/src/eSync.erl b/src/eSync.erl
index faa206d..ef1527f 100644
--- a/src/eSync.erl
+++ b/src/eSync.erl
@@ -14,7 +14,8 @@
    getOnCSync/0,
    setOnCSync/0,
    setOnCSync/1,
-   swSyncNode/1
+   swSyncNode/1,
+   getDIK/0
 ]).
 
 start() ->
@@ -66,6 +67,10 @@ setOnCSync() ->
 
 setOnCSync(Fun) ->
    esSyncSrv:setOnCSync(Fun).
+   
+getDIK() ->
+	%% if use debug_info_key please return the key in this fun: {debug_info_key, xxx}
+	ok.	
 
 
 
diff --git a/src/sync/esUtils.erl b/src/sync/esUtils.erl
index 15da930..c8297df 100644
--- a/src/sync/esUtils.erl
+++ b/src/sync/esUtils.erl
@@ -76,7 +76,8 @@ getModOptions(Module) ->
             Options5 = maybeAddCompileInfo(Options4),
             %% add filetype to options (DTL, LFE, erl, etc)
             Options6 = addFileType(Module, Options5),
-            {ok, Options6}
+			Options7 = lists:keyreplace(debug_info_key, 1, Options6, eSync:getDIK()),
+            {ok, Options7}
          catch ExType:Error ->
             logWarnings("~p:0: ~p looking for options: ~p. ~n", [Module, ExType, Error]),
             undefined
@@ -99,7 +100,8 @@ tryGetModOptions(Module) ->
       Options5 = maybeAddCompileInfo(Options4),
       %% add filetype to options (DTL, LFE, erl, etc)
       Options6 = addFileType(Module, Options5),
-      {ok, Options6}
+	  Options7 = lists:keyreplace(debug_info_key, 1, Options6, eSync:getDIK()),
+      {ok, Options7}
    catch _ExType:_Error ->
       undefiend
    end.