diff --git a/src/api/exam/api.candidate.ts b/src/api/exam/api.candidate.ts
index 4dce4cf..c34aee5 100644
--- a/src/api/exam/api.candidate.ts
+++ b/src/api/exam/api.candidate.ts
@@ -5,6 +5,8 @@ const periodExam = `${env.API_URI}/candidate/period-exam/`
 export default {
   candidateInformation: (examId: string, positionId: string) =>
     `${candidate}information/${examId}/${positionId}`,
+  candidateCheckCitizen: (examId: string, positionId: string) =>
+    `${candidate}check/citizen/${examId}/${positionId}`,
   candidateAddress: (examId: string, positionId: string) =>
     `${candidate}address/${examId}/${positionId}`,
   candidateFamily: (examId: string, positionId: string) =>
diff --git a/src/modules/01_exam/components/Form/Information.vue b/src/modules/01_exam/components/Form/Information.vue
index f7fb2a8..1ce0db8 100644
--- a/src/modules/01_exam/components/Form/Information.vue
+++ b/src/modules/01_exam/components/Form/Information.vue
@@ -23,7 +23,8 @@
           :class="getClass(status == 'register' || status == 'rejectRegister')"
           :borderless="!(status == 'register' || status == 'rejectRegister')"
           :rules="[
-            (val) => (val != null && val.length == 13) || `${'กรุณากรอกเลขประจำตัวประชาชนให้ถูกต้อง'}`,
+            (val) =>
+              (val != null && val.length == 13) || `${'กรุณากรอกเลขประจำตัวประชาชนให้ถูกต้อง'}`,
             (val) => /^[0-9]*$/.test(val) || `${'กรุณากรอกเลขประจำตัวประชาชนให้ถูกต้อง'}`
           ]"
           v-model="defaultInformation.cardid"
@@ -484,11 +485,24 @@ const checkCardId = async () => {
     if (result) {
       idModel.value = false
       defaultInformation.value.cardid = cardid2.value
+      await http
+        .put(config.API.candidateCheckCitizen(examId.value, positionId.value), {
+          citizenId: cardid2.value
+        })
+        .then((res) => {
+          success
+        })
+        .catch((e) => {
+          messageError($q, e)
+        })
+        .finally(async () => {})
+      return
     } else {
       notifyError($q, 'กรอกเลขบัตรประชาชนไม่ถูกต้อง')
     }
   })
 }
+
 const selectPrefix = async () => {
   defaultInformation.value.prefix =
     props.prefixOptions.filter((x) => x.id == defaultInformation.value.prefixId).length == 0