diff --git a/MTS_comexpinf/MTS_comexpinf.R b/MTS_comexpinf/MTS_comexpinf.R
index e725ebb..2b2bb0a 100644
--- a/MTS_comexpinf/MTS_comexpinf.R
+++ b/MTS_comexpinf/MTS_comexpinf.R
@@ -25,6 +25,7 @@ lapply(libraries, function(x) if (!(x %in% installed.packages())) {
   install.packages(x)
 })
 lapply(libraries, library, quietly = TRUE, character.only = TRUE)
+setwd("C:/Users/chenshic.hub/Dropbox/Panel_NS_AF/Code/MTS_Qcodes/")
 
 ## load dataset
 load("expinf.RData")
diff --git a/MTS_comexpinf/README.md b/MTS_comexpinf/README.md
index 11dbada..e5cb7a7 100644
--- a/MTS_comexpinf/README.md
+++ b/MTS_comexpinf/README.md
@@ -45,6 +45,7 @@ lapply(libraries, function(x) if (!(x %in% installed.packages())) {
   install.packages(x)
 })
 lapply(libraries, library, quietly = TRUE, character.only = TRUE)
+setwd("C:/Users/chenshic.hub/Dropbox/Panel_NS_AF/Code/MTS_Qcodes/")
 
 ## load dataset
 load("expinf.RData")