修复bug

internal/core/cs/metrics.go

@@ -36,7 +36,10 @@ type CommentMetric struct {
 }
 
 func (m *CommentMetric) RankScore(motivationFactor int) int64 {
-	return int64(m.IncentiveScore * motivationFactor / m.DecayFactor)
+    if m.DecayFactor == 0 {
+        return 0
+    }
+    return int64(m.IncentiveScore * motivationFactor / m.DecayFactor)
 }
 
 // UserMetric 用户指标结构体

scripts/migration/sqlite3/0013_rank_metrics.up.sql

@@ -17,6 +17,8 @@ CREATE TABLE p_comment_metric (
 	"decay_factor" integer NOT NULL DEFAULT 0,
 	"motivation_factor" integer NOT NULL DEFAULT 0,
 	"reply_count" integer NOT NULL DEFAULT 0,
+	"thumbs_up_count" integer NOT NULL DEFAULT 0,
+	"thumbs_down_count" integer NOT NULL DEFAULT 0,
 	"is_del" integer NOT NULL DEFAULT 0,
 	"created_on" integer NOT NULL DEFAULT 0,
 	"modified_on" integer NOT NULL DEFAULT 0,