diff --git a/common_test.go b/common_test.go
index f05b2b8..4b1c89d 100644
--- a/common_test.go
+++ b/common_test.go
@@ -29,8 +29,9 @@ func SetupConfig() {
 	CRMConfig = EspoCRMAPIConfig{
 		"https://c.hitxy.org.au/",
 		"wechat",
-		"crmwechat.api"}
-	GlobalPath = PathsConfig{"/tmp", "/tmp"}
+		"crmwechat.api",
+		"/tmp/"}
+	GlobalPath = PathsConfig{"/tmp"}
 	KFUsers.kfRenewList()
 }
 
diff --git a/configCRM.go b/configCRM.go
index d011b77..23d4cd1 100644
--- a/configCRM.go
+++ b/configCRM.go
@@ -18,6 +18,8 @@ type EspoCRMAPIConfig struct {
 
 	//access Password
 	UserPass string `json:"UserPass"`
+
+	AttachmentCache string `json:"AttachmentCache"`
 }
 
 //CRMConfig contains secrets that cannot store in source file
diff --git a/crm_config.json b/crm_config.json
index e9638c3..69f43a4 100644
--- a/crm_config.json
+++ b/crm_config.json
@@ -1,5 +1,6 @@
 {
     "BaseURL": "https://crm.hitxy.org.au/",
     "UserName": "wechat",
-    "UserPass": "crmwechat.api"
+    "UserPass": "crmwechat.api",
+    "AttachmentCache" : "/tmp/"
 }
\ No newline at end of file
diff --git a/main.go b/main.go
index 58f418d..bffa8a5 100644
--- a/main.go
+++ b/main.go
@@ -10,14 +10,12 @@ import (
 
 //PathsConfig all system available pathes
 type PathsConfig struct {
-	CRMAttachment string `json:"crm_attachment"`
-	Angular2App   string `json:"angular2_app"`
+	Angular2App string `json:"angular2_app"`
 }
 
 //TODO: setup GlobalPath Config, from reading file
 //GlobalPath all global pathes configurations
 var GlobalPath = PathsConfig{
-	"/tmp/",
 	"/mnt/data/workspace/angular.ts/wechat/ng2-admin/dist/"}
 
 //KFUsers info cache about current customer service
diff --git a/server.go b/server.go
index e2c7083..228b53e 100644
--- a/server.go
+++ b/server.go
@@ -217,7 +217,7 @@ func uploadHandler(w http.ResponseWriter, r *http.Request) {
 //in this way, user has no 'direct-access' to the CRM server.
 func crmAttachmentHandler(w http.ResponseWriter, r *http.Request) {
 	fileID := getCrmFileID(r.URL.Path)
-	saveAs := GlobalPath.CRMAttachment + "crm_attach_" + fileID //add prefix for easy deleting
+	saveAs := CRMConfig.AttachmentCache + "crm_attach_" + fileID //add prefix for easy deleting
 	if isFileExist(saveAs) {
 		http.ServeFile(w, r, saveAs)
 		return