diff --git a/frontend/src/business/components/api/definition/components/ApiVariable.vue b/frontend/src/business/components/api/definition/components/ApiVariable.vue
index daaf50c216..0d050057e7 100644
--- a/frontend/src/business/components/api/definition/components/ApiVariable.vue
+++ b/frontend/src/business/components/api/definition/components/ApiVariable.vue
@@ -91,7 +91,8 @@
     <ms-api-variable-advance ref="variableAdvance" :environment="environment" :scenario="scenario"
                              :append-to-body="appendDialogToBody"
                              :parameters="parameters"
-                             :current-item="currentItem"/>
+                             :current-item="currentItem"
+                             @advancedRefresh="reload"/>
     <ms-api-variable-json :append-to-body="appendDialogToBody" ref="variableJson" @callback="callback"/>
 
     <api-variable-setting :append-to-body="appendDialogToBody"
diff --git a/frontend/src/business/components/api/definition/components/ApiVariableAdvance.vue b/frontend/src/business/components/api/definition/components/ApiVariableAdvance.vue
index 5c019be8bc..0dcc06784d 100644
--- a/frontend/src/business/components/api/definition/components/ApiVariableAdvance.vue
+++ b/frontend/src/business/components/api/definition/components/ApiVariableAdvance.vue
@@ -251,6 +251,11 @@
         this.showPreview();
       },
       addFunc() {
+        if(this.itemValue.indexOf('@') == -1){
+          this.itemValue = '@' + this.itemValue;
+        } else {
+          this.itemValue = this.itemValue;
+        }
         if (this.mockVariableFuncs.length > 4) {
           this.$info(this.$t('api_test.request.parameters_advance_add_func_limit'));
           return;
@@ -273,7 +278,11 @@
         this.mockVariableFuncs.push({name: '', params: []});
       },
       saveAdvanced() {
-        this.currentItem.value = this.itemValue;
+        if(this.itemValue.indexOf('@') == -1){
+          this.currentItem.value = '@' + this.itemValue;
+        } else {
+          this.currentItem.value = this.itemValue;
+        }
         this.itemValueVisible = false;
         this.mockVariableFuncs = [];
         this.$emit('advancedRefresh', this.itemValue);