diff --git a/backend/seafile.js b/backend/seafile.js
index b45d808..c8a5c21 100644
--- a/backend/seafile.js
+++ b/backend/seafile.js
@@ -42,7 +42,14 @@ if(url !== null) {
         }
         for(let i=0; i<props.length; i++) {
             const prop = props[i];
-            if((prop.key.type === "Identifier") && (prop.value.type === "Literal") && (prop.value.value != "")) {
+            if((prop.key.type === "Identifier") && (prop.value.type === "Literal")) {
+                data[prop.key.name] = prop.value.value;
+            }
+        }
+        for(let i=0; i<props.length; i++) {
+            const prop = props[i];
+            const valid = (new Boolean(prop.value.value)).valueOf();
+            if((prop.key.type === "Identifier") && (prop.value.type === "Literal") && valid) {
                 data[prop.key.name] = prop.value.value;
             }
         }