diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 82b9f1b..6ae2440 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -56,8 +56,8 @@ func (p *PeerCache) checkPeerStatus(peerID string, caller *tools.HTTPCaller) boo
 		url = strings.ReplaceAll(url, "localhost", utils.PEER.API())
 		url = strings.ReplaceAll(url, "127.0.0.1", utils.PEER.API())
 		r := regexp.MustCompile("(:[0-9]+)")
-		ttt := r.FindAllString(url, -1)
-		for _, t := range ttt {
+		t := r.FindString(url)
+		if t != "" {
 			url = strings.Replace(url, t, ":8080", -1)
 		}
 		r.ReplaceAllString(url, ":8080")
@@ -82,8 +82,8 @@ func (p *PeerCache) LaunchPeerExecution(peerID string, isMySelf bool, dataID str
 		url = strings.ReplaceAll(url, "localhost", dt.API())
 		url = strings.ReplaceAll(url, "127.0.0.1", dt.API())
 		r := regexp.MustCompile("(:[0-9]+)")
-		ttt := r.FindAllString(url, -1)
-		for _, t := range ttt {
+		t := r.FindString(url)
+		if t != "" {
 			url = strings.Replace(url, t, ":8080", -1)
 		}
 		r.ReplaceAllString(url, ":8080")