diff --git a/go/internal/api/server.go b/go/internal/api/server.go
index 281ba53..622ba46 100644
--- a/go/internal/api/server.go
+++ b/go/internal/api/server.go
@@ -1249,6 +1249,8 @@ func NewServer() http.Handler {
 					// 最久未访问的（last_recalled_at 最早 → 最该遗忘），防全表单次拉取
 					// 内存翻倍 + 长时间阻塞触发器循环。
 					memories, e := ldb.GetCandidatesForForgetting()
+					decayScanned := 0
+					decayForgotten := 0
 					if e == nil {
 						const maxDecayBatch = 2000
 						if len(memories) > maxDecayBatch {
@@ -1259,6 +1261,7 @@ func NewServer() http.Handler {
 							memories = memories[:maxDecayBatch]
 						}
 						for _, m := range memories {
+							decayScanned++
 							// 解析 last_recalled_at
 							lastAccessed := time.Now().Add(-30 * 24 * time.Hour) // 默认30天前
 							if t, ok := m["last_recalled_at"].(string); ok && t != "" {
@@ -1288,9 +1291,14 @@ func NewServer() http.Handler {
 								forgetter.ScanAndForget(id)
 								// 实际执行软删除（持久化到 LanceDB）
 								_ = ldb.SoftDelete(id, "auto_forget")
+								decayForgotten++
 							}
 						}
-						}
+					}
+				}
+					// AC-1 验收日志（P1 修复 type 断言后 last_recalled_at 可解析；batch<=2000）
+					if decayScanned > 0 {
+						log.Printf("[decay] scanned=%d forgotten=%d (batch<=2000, 最久未访问优先)", decayScanned, decayForgotten)
 					}
 				case "gap_scan":
 					// 检查已有缺口：过期 7 天的自动关闭
diff --git a/go/internal/storage/embedder.go b/go/internal/storage/embedder.go
index fd3ec8d..9ba1f7d 100644
--- a/go/internal/storage/embedder.go
+++ b/go/internal/storage/embedder.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"os"
 	"sync"
+	"time"
 )
 
 // Embedder bge-m3 编码客户端。优先使用本地 vLLM（端口 8000），fallback 到模力方舟 API。
@@ -33,7 +34,7 @@ func NewEmbedder(endpoint string) *Embedder {
 		endpoint:   endpoint,
 		modelName:  getModelName(),
 		apiKey:     os.Getenv("MOLIFANG_API_KEY"),
-		httpClient: &http.Client{},
+		httpClient: &http.Client{Timeout: 8 * time.Second},
 		dim:        1024,
 	}
 }