diff --git a/src/views/trials/trials-panel/setting/trial-config/components/dicomConfig.vue b/src/views/trials/trials-panel/setting/trial-config/components/dicomConfig.vue
index d874bc02..53305800 100644
--- a/src/views/trials/trials-panel/setting/trial-config/components/dicomConfig.vue
+++ b/src/views/trials/trials-panel/setting/trial-config/components/dicomConfig.vue
@@ -303,7 +303,16 @@ export default {
             trigger: "blur",
           },
           {
-            pattern: /[a-zA-Z0-9]/,
+            validator: (rule, value, callback) => {
+              let reg = /[a-zA-Z0-9]/;
+              if (!reg.test(value) && value !== "") {
+                callback(
+                  new Error(this.$t("common:ruleMessage:CallingAEPattern"))
+                );
+              } else {
+                callback();
+              }
+            },
             message: this.$t("common:ruleMessage:CallingAEPattern"),
             trigger: "blur",
           },