diff --git a/frontend/src/views/machine/testScript/components/testScriptFlickerTab.vue b/frontend/src/views/machine/testScript/components/testScriptFlickerTab.vue
index 9167619..f2257e3 100644
--- a/frontend/src/views/machine/testScript/components/testScriptFlickerTab.vue
+++ b/frontend/src/views/machine/testScript/components/testScriptFlickerTab.vue
@@ -41,7 +41,7 @@
                             filterable
                             allow-create
                             v-model="form[0].flickerData.fchagFre"
-                            :disabled="!form[0].flickerFlag"
+                            :disabled="!form[0].flickerFlag || props.childForm[0].flickerData.flickerValue == null"
                             @change="changeWaveType"
                         >
                             <el-option
@@ -59,7 +59,7 @@
                             placeholder="请输入变动量"
                             style="width: 180px"
                             v-model="form[0].flickerData.fchagValue"
-                            :disabled="!form[0].flickerFlag"
+                            :disabled="!form[0].flickerFlag || props.childForm[0].flickerData.flickerValue == null"
                         />
                     </el-form-item>
                 </div>
@@ -238,6 +238,10 @@ const changeWaveType = e => {
 }
 const form: any = computed({
     get() {
+        if (props.childForm[0].flickerData.flickerValue == null) {
+            props.childForm[0].flickerData.fchagValue = ''
+            props.childForm[0].flickerData.fchagFre = ''
+        }
         return props.childForm
     },
     set(value) {}