diff --git a/middleware/template.js b/middleware/template.js
index 1264dca36..ff457004e 100644
--- a/middleware/template.js
+++ b/middleware/template.js
@@ -30,25 +30,31 @@ module.exports = async (ctx, next) => {
                 template = path.resolve(__dirname, '../views/rss.art');
                 break;
         }
-        // trim title length
-        ctx.state.data.item &&
-            ctx.state.data.item.forEach((item) => {
-                for (let length = 0, i = 0; i < item.title.length; i++) {
-                    length += Buffer.from(item.title[i]).length !== 1 ? 2 : 1;
-                    if (length > config.titleLengthLimit) {
-                        item.title = `${item.title.slice(0, i)}...`;
-                        break;
-                    }
-                }
-            });
 
-        ctx.state.data.title && (ctx.state.data.title = he.decode(ctx.state.data.title));
-        ctx.state.data.description && (ctx.state.data.description = he.decode(ctx.state.data.description));
-        ctx.state.data.item &&
-            ctx.state.data.item.forEach((item) => {
-                item.title && (item.title = he.decode(item.title));
-                item.description && (item.description = he.decode(item.description));
-            });
+        if (ctx.state.data) {
+            // trim title length
+            ctx.state.data.item &&
+                ctx.state.data.item.forEach((item) => {
+                    if (item.title) {
+                        for (let length = 0, i = 0; i < item.title.length; i++) {
+                            length += Buffer.from(item.title[i]).length !== 1 ? 2 : 1;
+                            if (length > config.titleLengthLimit) {
+                                item.title = `${item.title.slice(0, i)}...`;
+                                break;
+                            }
+                        }
+                    }
+                });
+
+            // decode HTML entities
+            ctx.state.data.title && (ctx.state.data.title = he.decode(ctx.state.data.title));
+            ctx.state.data.description && (ctx.state.data.description = he.decode(ctx.state.data.description));
+            ctx.state.data.item &&
+                ctx.state.data.item.forEach((item) => {
+                    item.title && (item.title = he.decode(item.title));
+                    item.description && (item.description = he.decode(item.description));
+                });
+        }
 
         const data = {
             lastBuildDate: new Date().toUTCString(),