fix praise login

@@ -125,16 +125,23 @@ export default {
         hide: left - inx > 1 || inx - right > 1
       };
     },
-    praiseArticle(e) {
+    async praiseArticle(e) {
       if (e.timeStamp - this._preTimeStamp < dblclickDdelay) {
-        this.onAnimation = true;
-        this._lottieTimer && clearTimeout(this._lottieTimer);
-        this.$refs.lottie.play();
-        this._lottieTimer = setTimeout(() => {
-          this.$refs.lottie.stop();
-          this.onAnimation = false;
-        }, 1000);
-        this.$emit('on-praise');
+        const user = await this.$sdk.getUser();
+
+        if (user && user.uid) {
+          this.onAnimation = true;
+          this._lottieTimer && clearTimeout(this._lottieTimer);
+          this.$refs.lottie.play();
+          this._lottieTimer = setTimeout(() => {
+            this.$refs.lottie.stop();
+            this.onAnimation = false;
+          }, 1000);
+
+          this.$emit('on-praise');
+        } else {
+          this.$sdk.goLogin();
+        }
       }
 
       this._preTimeStamp = e.timeStamp;