diff --git a/config/param/udm_param_config.yaml b/config/param/udm_param_config.yaml
index bcead537..48f0d9ee 100644
--- a/config/param/udm_param_config.yaml
+++ b/config/param/udm_param_config.yaml
@@ -97,17 +97,17 @@ udm:
         display: "Name"
         comment: "1~32"
       - name: "uplink"
-        type: "string"
+        type: "regex"
         value: '1Gbps'
         access: "read-write"
-        filter: '^\d+(\.\d+)?( ?)(bps|Kbps|Mbps|Gbps|Tbps)$'
+        filter: '^\d+(\.\d+)?( )(bps|Kbps|Mbps|Gbps|Tbps)$'
         display: "Uplink"
         comment: ""
       - name: "downlink"
-        type: "string"
+        type: "regex"
         value: '2Gbps'
         access: "read-write"
-        filter: '^\d+(\.\d+)?( ?)(bps|Kbps|Mbps|Gbps|Tbps)$'
+        filter: '^\d+(\.\d+)?( )(bps|Kbps|Mbps|Gbps|Tbps)$'
         display: "Downlink"
         comment: ""
   subsNssais: