diff --git a/go.sum b/go.sum
index e778a74854..00ecc7ed73 100644
--- a/go.sum
+++ b/go.sum
@@ -321,8 +321,7 @@ github.com/openimsdk/gomake v0.0.14-alpha.5 h1:VY9c5x515lTfmdhhPjMvR3BBRrRquAUCF
 github.com/openimsdk/gomake v0.0.14-alpha.5/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
 github.com/openimsdk/protocol v0.0.72 h1:K+vslwaR7lDXyBzb07UuEQITaqsgighz7NyXVIWsu6A=
 github.com/openimsdk/protocol v0.0.72/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
-github.com/openimsdk/tools v0.0.50-alpha.15 h1:HV9aKZ4vvCZCGG4wFDsgUONkkdJeCcrFNn3BT52nUVQ=
-github.com/openimsdk/tools v0.0.50-alpha.15/go.mod h1:h1cYmfyaVtgFbKmb1Cfsl8XwUOMTt8ubVUQrdGtsUh4=
+github.com/openimsdk/tools v0.0.50-alpha.16 h1:bC1AQvJMuOHtZm8LZRvN8L5mH1Ws2VYdL+TLTs1iGSc=
 github.com/openimsdk/tools v0.0.50-alpha.16/go.mod h1:h1cYmfyaVtgFbKmb1Cfsl8XwUOMTt8ubVUQrdGtsUh4=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
diff --git a/internal/rpc/msg/filter.go b/internal/rpc/msg/filter.go
index fa51b87a74..ed1a488f12 100644
--- a/internal/rpc/msg/filter.go
+++ b/internal/rpc/msg/filter.go
@@ -36,7 +36,7 @@ func filterMsg(msg *pbchat.SendMsgReq, attentionIds, allowedTypes, deniedTypes [
 
 func isInInterval(contentType int32, interval []string) bool {
 	for _, v := range interval {
-		if strings.Contains(separator, v) {
+		if strings.Contains(v, separator) {
 			// is interval
 			bounds := strings.Split(v, separator)
 			if len(bounds) != 2 {