diff --git a/frontend/src/views/machine/testScript/components/testProjectPopup.vue b/frontend/src/views/machine/testScript/components/testProjectPopup.vue
index e2afa8c..88e4a55 100644
--- a/frontend/src/views/machine/testScript/components/testProjectPopup.vue
+++ b/frontend/src/views/machine/testScript/components/testProjectPopup.vue
@@ -132,7 +132,7 @@
                                                 type="number"
                                                 style="width: 100px"
                                                 v-model="form.ffreq"
-                                                onkeypress="return (/[\d]/.test(String.fromCharCode(event.keyCode)))"
+                                                onkeypress="return (/[\d\.]/.test(String.fromCharCode(event.keyCode)))"
                                                 @change="validateFreq"
                                             />
                                             <label>Hz</label>