修复bug

app/public/js/change_information.js

@@ -6393,7 +6393,7 @@ function makePushBwmx(clinfo, listinfo, removeList, updateList) {
                         oneUpdate[key] = leafInfo[key];
                         clinfo[key] = leafInfo[key];
                         needUpdate = true;
-                    } else if (leafInfo[key] === undefined && leafInfo.jldy !== clinfo[key]) {
+                    } else if (leafInfo[key] === undefined && leafInfo.jldy !== (clinfo[key] || null)) {
                         oneUpdate[key] = leafInfo.jldy;
                         clinfo[key] = leafInfo.jldy;
                         needUpdate = true;