fix: fist comment of disqus error

pkg/core/eiblog/admin/admin.go

@@ -301,7 +301,7 @@ func handleAPIPostCreate(c *gin.Context) {
 	}
 	// 旧文章
 	article.ID = cid
-	artc, _ := cache.Ei.FindArticleByID(article.ID)
+	artc, _ := cache.Ei.FindArticleByID(article.ID) // cache
 	if artc != nil {
 		article.IsDraft = false
 		article.Count = artc.Count

pkg/core/eiblog/page/fe.go

@@ -3,6 +3,7 @@ package page
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	htemplate "html/template"
 	"io/ioutil"
@@ -198,7 +199,8 @@ func handleDisqusList(c *gin.Context) {
 
 	slug := c.Param("slug")
 	cursor := c.Query("cursor")
-	if artc := cache.Ei.ArticlesMap[slug]; artc != nil {
+	artc := cache.Ei.ArticlesMap[slug]
+	if artc != nil {
 		dcs.Data.Thread = artc.Thread
 	}
 	postsList, err := internal.PostsList(slug, cursor)
@@ -229,6 +231,18 @@ func handleDisqusList(c *gin.Context) {
 			IsDeleted:    v.IsDeleted,
 		}
 	}
+	// query thread & update
+	if artc != nil && artc.Thread == "" {
+		if dcs.Data.Thread != "" {
+			artc.Thread = dcs.Data.Thread
+		} else if internal.ThreadDetails(artc) == nil {
+			dcs.Data.Thread = artc.Thread
+		}
+		cache.Ei.UpdateArticle(context.Background(), artc.ID,
+			map[string]interface{}{
+				"thread": artc.Thread,
+			})
+	}
 }
 
 // handleDisqusPage 评论页