文章编辑修改

@@ -102,7 +102,7 @@ func (m *Article) SetSummary(sectionList []*ArticleSection) {
 	//设置内容概要
 
 	// 截取内容 50个字
-	stringIndex := 0 //字符串长度
+	length := 0 //字符串长度
 	content := ""
 	for i := range sectionList {
 		str := strings.TrimSpace(sectionList[i].Content)
@@ -111,11 +111,12 @@ func (m *Article) SetSummary(sectionList []*ArticleSection) {
 			break
 		}
 	}
-	stringIndex = len(content)
-	if len(content) > 50 {
-		stringIndex = 50
+	runeContent := []rune(content)
+	length = len(runeContent)
+	if length > 50 {
+		length = 50
 	}
-	m.Summary = content[0:stringIndex]
+	m.Summary = string(runeContent[0:length])
 }
 
 func (m *Article) WhoCanRead(userId int64) bool {