fix btn

@@ -51,7 +51,12 @@
         type: String,
         default: 'fav'
       },
-      text: [String, Number],
+      text: {
+        type: [String, Number],
+        default() {
+          return '';
+        }
+      },
       articleId: Number,
       commentId: Number,
       option: {
@@ -125,7 +130,7 @@
         return style;
       },
       viewText() {
-        return `${this.editText === null ? this.text : this.editText}`;
+        return `${(this.editText === null ? this.text : this.editText)}`;
       },
       placText() {
         if (!isNaN(Number(this.text)) && this.viewText.length) {