diff --git a/go/internal/api/routes/core.go b/go/internal/api/routes/core.go
index d232c00..270741f 100644
--- a/go/internal/api/routes/core.go
+++ b/go/internal/api/routes/core.go
@@ -268,7 +268,7 @@ func (a *API) Feedback(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	field := "useful_count"
-	val := map[string]int{"$inc": 1}
+	val := map[string]interface{}{"$inc": 1}
 	if !req.Useful {
 		field = "not_useful_count"
 	}
diff --git a/go/internal/storage/lancedb_ipc.go b/go/internal/storage/lancedb_ipc.go
index 93fd9d6..783e764 100644
--- a/go/internal/storage/lancedb_ipc.go
+++ b/go/internal/storage/lancedb_ipc.go
@@ -157,12 +157,12 @@ func (rc *RustLanceDBClient) Search(table string, vector []float32, topK int, na
 		Tier           string  `json:"tier"`
 		LastRecalledAt string  `json:"last_recalled_at"`
 	}
-	json.Unmarshal([]byte(resp.Result), &raw)
+	json.Unmarshal([]byte(resp.ReportJSON), &raw)
 	if len(raw) == 0 {
-		log.Printf("[ipc] Search: resp.Result unmarshal gave 0 results (ReportJSON=%q), falling back to localSearch", resp.ReportJSON)
+		log.Printf("[ipc] Search: resp.ReportJSON unmarshal gave 0 results, falling back to localSearch (Result=%q)", resp.Result)
 		return rc.localSearch(vector, topK, namespaceFilter), nil
 	}
-	log.Printf("[ipc] Search: got %d results from Rust IPC (ReportJSON=%q)", len(raw), resp.ReportJSON)
+	log.Printf("[ipc] Search: got %d results from Rust IPC (Result=%q)", len(raw), resp.Result)
 
 	// 解析时间（Rust 返回 RFC3339 字符串 → time.Time）
 	parseTime := func(s string) time.Time {