diff --git a/xmcl-runtime/peer/PeerService.ts b/xmcl-runtime/peer/PeerService.ts
index 691128ef1..c0875d0a6 100644
--- a/xmcl-runtime/peer/PeerService.ts
+++ b/xmcl-runtime/peer/PeerService.ts
@@ -280,6 +280,7 @@ export class PeerService extends StatefulService<PeerState> implements IPeerServ
           if (ip && port) {
             const state = await natService.getNatState()
             await mapLocalPort(natService, state.localIp, privatePort, Number(port), this).catch((e) => {
+              if (e.name === 'Error') { e.name = 'MapNatError' }
               this.error(e)
             })
           }
diff --git a/xmcl-runtime/peer/mapAndGetPortCanidate.ts b/xmcl-runtime/peer/mapAndGetPortCanidate.ts
index 42f99c925..d783d9835 100644
--- a/xmcl-runtime/peer/mapAndGetPortCanidate.ts
+++ b/xmcl-runtime/peer/mapAndGetPortCanidate.ts
@@ -48,15 +48,13 @@ export async function mapLocalPort(natService: NatService, ip: string, priv: num
     if (err.detail?.UPnPError && err.detail?.UPnPError.errorCode === 501) {
       // Table is full
       const candidates = getUnmapCandidates(currentMappings, mappings)
-      console.log(candidates)
       for (const c of candidates) {
         await natService.unmap(c).catch(() => {})
       }
       await Promise.all(mappings.map(n => natService.map(n)))
-    } else if (err.detail.UPnPError && err.detail.UPnPError.errorCode === 718) {
+    } else if (err.detail?.UPnPError && err.detail.UPnPError.errorCode === 718) {
       // Conflict
       const candidates = getUnmapCandidates(currentMappings, mappings)
-      console.log(candidates)
       for (const c of candidates) {
         await natService.unmap(c).catch(() => {})
       }