diff --git a/EventBuilder.cpp b/EventBuilder.cpp
index 605596e..8f2f8e8 100644
--- a/EventBuilder.cpp
+++ b/EventBuilder.cpp
@@ -33,7 +33,7 @@ unsigned long long   e_t[MAX_MULTI] = {0}; /// timestamp 47 bit
 unsigned short       e_f[MAX_MULTI] = {0}; /// fine time 10 bit 
 //TODO std::vector<unsigned short>  wave[MAX_ID]; /// waveform 
 
-void EventBuilder(Data * data, const unsigned short timeWin, bool isLastData = false){
+void EventBuilder(Data * data, const unsigned int timeWin, bool isLastData = false){
   
   ///printf("============= build Event\n");
   
@@ -129,7 +129,7 @@ void EventBuilder(Data * data, const unsigned short timeWin, bool isLastData = f
     ///  printf("%2d, %d \n", chI, lastEv[chI]);
     ///}
     
-    ///========== Quick Sort the timestamp
+    ///========== Quick Sort the timestamp ??or left it to analyzer, monitor?
     
     /// fill Tree
     outRootFile->cd();
@@ -172,12 +172,14 @@ int main(int argc, char **argv) {
   }
 
   TString outFileName = argv[1];
-  unsigned short  timeWindow = atoi(argv[2]);
+  unsigned int  timeWindow = atoi(argv[2]);
   int nFile = argc - 3;
   TString inFileName[nFile];
   for( int i = 0 ; i < nFile ; i++){
     inFileName[i] = argv[i+3];
   }
+  
+  printf(" Time Window = %u \n", timeWindow);
 
   /// Open input Files
   FILE * haha = fopen(inFileName[0], "r");