diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 15125e2b0fab8da0a58b19cceb0f78146e8a7b90..fb3a37b936d1a2a71732eed58989a2227456e65c 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -587,16 +587,6 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/DnnSmfInfoItem'
-    
-    IpAddr:
-      type: object
-      properties:
-        ipv4Addr:
-          type: string
-        ipv6Addr:
-          type: string
-        ipv6Prefix:
-          type: string
 
     5GCNfConnEcmInfoList:
       type: array
@@ -1383,7 +1373,7 @@ components:
                     pgwAddrList:
                       type: array
                       items:
-                        $ref: '#/components/schemas/IpAddr'
+                        $ref: 'TS28623_ComDefs.yaml#/components/schemas/IpAddr'
                     accessType:
                       $ref: 'TS29571_CommonData.yaml#/components/schemas/AccessType'
                     priority: