diff --git a/pages/index.vue b/pages/index.vue
index 08f3e02..28735bd 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -219,7 +219,7 @@ export default {
 
       this.checkingSerial = true
       const data = {
-        serial: this.serial,
+        serial: this.serial.trim(),
         type: this.inquiryType,
         g: this.g
       }