diff --git a/skins/Andrea/footer.ftl b/skins/Andrea/footer.ftl
index d986137..8dd3e89 100644
--- a/skins/Andrea/footer.ftl
+++ b/skins/Andrea/footer.ftl
@@ -7,7 +7,8 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
-        "staticServePath": "${staticServePath}"
+        "staticServePath": "${staticServePath}",
+        "isLoggedIn": "${isLoggedIn?string}"
     };
     
     var Label = {
diff --git a/skins/Bruce/footer.ftl b/skins/Bruce/footer.ftl
index 7dc57ed..7914d8a 100644
--- a/skins/Bruce/footer.ftl
+++ b/skins/Bruce/footer.ftl
@@ -11,7 +11,8 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
-        "staticServePath": "${staticServePath}"
+        "staticServePath": "${staticServePath}",
+        "isLoggedIn": "${isLoggedIn?string}"
     };
 
     var Label = {
diff --git a/skins/Community/footer.ftl b/skins/Community/footer.ftl
index 87d1bcf..cb54365 100644
--- a/skins/Community/footer.ftl
+++ b/skins/Community/footer.ftl
@@ -34,6 +34,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/NeoEase/footer.ftl b/skins/NeoEase/footer.ftl
index fcab6d1..ad62198 100644
--- a/skins/NeoEase/footer.ftl
+++ b/skins/NeoEase/footer.ftl
@@ -13,6 +13,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/classic/footer.ftl b/skins/classic/footer.ftl
index 5174222..83b8f5e 100644
--- a/skins/classic/footer.ftl
+++ b/skins/classic/footer.ftl
@@ -10,6 +10,7 @@ by <a rel="friend" href="http://vanessa.b3log.org" target="_blank">Vanessa</a>.
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
 
diff --git a/skins/ease/footer.ftl b/skins/ease/footer.ftl
index 631bd7c..624fbd5 100644
--- a/skins/ease/footer.ftl
+++ b/skins/ease/footer.ftl
@@ -33,6 +33,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/favourite/footer.ftl b/skins/favourite/footer.ftl
index 2543332..3cf2f5c 100644
--- a/skins/favourite/footer.ftl
+++ b/skins/favourite/footer.ftl
@@ -14,6 +14,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/i-nove/footer.ftl b/skins/i-nove/footer.ftl
index 4cc8354..84c9591 100644
--- a/skins/i-nove/footer.ftl
+++ b/skins/i-nove/footer.ftl
@@ -12,6 +12,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/metro-hot/footer.ftl b/skins/metro-hot/footer.ftl
index 2f61b72..fc6cdeb 100644
--- a/skins/metro-hot/footer.ftl
+++ b/skins/metro-hot/footer.ftl
@@ -1,6 +1,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/mobile/footer.ftl b/skins/mobile/footer.ftl
index 3266c26..8b07dea 100644
--- a/skins/mobile/footer.ftl
+++ b/skins/mobile/footer.ftl
@@ -14,6 +14,7 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };
     
diff --git a/skins/owmx-3.0/footer.ftl b/skins/owmx-3.0/footer.ftl
index 98d7be9..23f380a 100644
--- a/skins/owmx-3.0/footer.ftl
+++ b/skins/owmx-3.0/footer.ftl
@@ -10,7 +10,8 @@
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
-        "staticServePath": "${staticServePath}"
+        "staticServePath": "${staticServePath}",
+        "isLoggedIn": "${isLoggedIn?string}"
     };
     
     var Label = {
diff --git a/skins/timeline/footer.ftl b/skins/timeline/footer.ftl
index 26bd728..e0938fd 100644
--- a/skins/timeline/footer.ftl
+++ b/skins/timeline/footer.ftl
@@ -31,6 +31,7 @@
 <script type="text/javascript">
                 var latkeConfig = {
                     "servePath": "${servePath}",
+                    "isLoggedIn": "${isLoggedIn?string}",
                     "staticServePath": "${staticServePath}"
                 };
 
diff --git a/skins/tree-house/footer.ftl b/skins/tree-house/footer.ftl
index 89c2e2a..a687d01 100644
--- a/skins/tree-house/footer.ftl
+++ b/skins/tree-house/footer.ftl
@@ -9,6 +9,7 @@ by <a rel="friend" href="http://vanessa.b3log.org" target="_blank">Vanessa</a>.
 <script type="text/javascript">
     var latkeConfig = {
         "servePath": "${servePath}",
+        "isLoggedIn": "${isLoggedIn?string}",
         "staticServePath": "${staticServePath}"
     };