diff --git a/imageroot/actions/configure-module/validate-input.json b/imageroot/actions/configure-module/validate-input.json
index 74a80ab..2bf4456 100644
--- a/imageroot/actions/configure-module/validate-input.json
+++ b/imageroot/actions/configure-module/validate-input.json
@@ -82,19 +82,24 @@
                 "type": "string",
                 "anyOf": [
                     {
+                        "description": "textarea empty",
                         "type": "string",
                         "maxLength": 0
                     },
                     {
+                        "description": "ipv4",
                         "format": "ipv4"
                     },
                     {
+                        "description": "cidr ipv4",
                         "pattern": "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\/(3[0-2]|[12]?[0-9])$"
                     },
                     {
+                        "description": "ipv6 and cidr ipv6",
                         "pattern": "^[0-9a-fA-F:]+(/[0-9]+)?$"
                     },
                     {
+                        "description": "hostname",
                         "pattern": "^[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$"
                     }
                 ]