diff --git a/src/apis/certification.ts b/src/apis/certification.ts
index 2705303..9bc09bc 100644
--- a/src/apis/certification.ts
+++ b/src/apis/certification.ts
@@ -15,7 +15,7 @@ export const postCertification = async ({ image, certificationSource, recycleGui
   formData.append('image', image);
   formData.append('certificationSource', certificationSource);
 
-  if (recycleGuideId !== null) {
+  if (recycleGuideId !== null && recycleGuideId !== undefined) {
     formData.append('recycleGuideId', recycleGuideId.toString());
   }
 
diff --git a/src/pages/cameara-page.tsx b/src/pages/cameara-page.tsx
index 0e5777f..a2d7ab4 100644
--- a/src/pages/cameara-page.tsx
+++ b/src/pages/cameara-page.tsx
@@ -35,11 +35,10 @@ export default function CamearaPage() {
     try {
       const file = await base64ToFile(img);
 
-      // 신규 인증
-      if (from === 'certification') {
-        const data = await postCertification({ image: file, certificationSource, recycleGuideId: guideId });
-
-        // 신규 인증 성공
+      // 재인증
+      if (certificationId) {
+        const data = await postCertificationRetry(certificationId, file);
+        // 재인증 성공
         if (data.result?.status === 'PASSED') {
           navigate('/certification/success', {
             state: {
@@ -49,7 +48,7 @@ export default function CamearaPage() {
             },
           });
         }
-        // 신규 인증 실패
+        // 재인증 실패
         else if (data.result?.status === 'FAILED') {
           // AI 판정 실패
           if (data.result.failureType === 'VLM_JUDGEMENT_FAILED') {
@@ -60,12 +59,10 @@ export default function CamearaPage() {
                 retryGuide: data.result.retryGuide,
                 retryAllowed: data.result.retryAllowed,
                 certificationId: data.result.certificationId,
-                certificationSource,
-                guideId,
               },
             });
           }
-          // 동일 품목 인증 시도
+          // 동일 품목 재인증 시도
           else if (data.result.failureType === 'DUPLICATE_GUIDE_TODAY') {
             navigate('/certification/fail', {
               state: {
@@ -74,34 +71,17 @@ export default function CamearaPage() {
                 retryGuide: data.result.retryGuide,
                 retryAllowed: data.result.retryAllowed,
                 certificationId: data.result.certificationId,
-                certificationSource,
-                guideId,
               },
             });
           }
         }
       }
-      // 배출 정보 검색
-      else if (from === 'info') {
-        const data = await postGuideImageSearch(file);
 
-        // 검색 성공
-        if (data.result?.identified) {
-          navigate('/disposal-info/detail', {
-            state: {
-              guide: data.result?.guideDetail,
-            },
-          });
-        }
-        // 검색 실패
-        else {
-          navigate('/disposal-info/fail');
-        }
-      }
-      // 재인증
-      else if (certificationId) {
-        const data = await postCertificationRetry(certificationId, file);
-        // 재인증 성공
+      // 신규 인증
+      else if (from === 'certification') {
+        const data = await postCertification({ image: file, certificationSource, recycleGuideId: guideId });
+
+        // 신규 인증 성공
         if (data.result?.status === 'PASSED') {
           navigate('/certification/success', {
             state: {
@@ -111,7 +91,7 @@ export default function CamearaPage() {
             },
           });
         }
-        // 재인증 실패
+        // 신규 인증 실패
         else if (data.result?.status === 'FAILED') {
           // AI 판정 실패
           if (data.result.failureType === 'VLM_JUDGEMENT_FAILED') {
@@ -122,10 +102,12 @@ export default function CamearaPage() {
                 retryGuide: data.result.retryGuide,
                 retryAllowed: data.result.retryAllowed,
                 certificationId: data.result.certificationId,
+                certificationSource,
+                guideId,
               },
             });
           }
-          // 동일 품목 재인증 시도
+          // 동일 품목 인증 시도
           else if (data.result.failureType === 'DUPLICATE_GUIDE_TODAY') {
             navigate('/certification/fail', {
               state: {
@@ -134,11 +116,30 @@ export default function CamearaPage() {
                 retryGuide: data.result.retryGuide,
                 retryAllowed: data.result.retryAllowed,
                 certificationId: data.result.certificationId,
+                certificationSource,
+                guideId,
               },
             });
           }
         }
       }
+      // 배출 정보 검색
+      else if (from === 'info') {
+        const data = await postGuideImageSearch(file);
+
+        // 검색 성공
+        if (data.result?.identified) {
+          navigate('/disposal-info/detail', {
+            state: {
+              guide: data.result?.guideDetail,
+            },
+          });
+        }
+        // 검색 실패
+        else {
+          navigate('/disposal-info/fail');
+        }
+      }
     } catch (e) {
       alert('접속이 원활하지 않습니다. 잠시 후 다시 시도해 주세요.');
       console.error('camera error', e);
diff --git a/src/pages/certification-page/fail-page.tsx b/src/pages/certification-page/fail-page.tsx
index 566f18e..a5e1dfa 100644
--- a/src/pages/certification-page/fail-page.tsx
+++ b/src/pages/certification-page/fail-page.tsx
@@ -21,6 +21,7 @@ export default function FailPage() {
     if (failureType === 'VLM_JUDGEMENT_FAILED' && retryAllowed && certificationId) {
       navigate('/camera', {
         state: {
+          from: 'certification',
           certificationId,
         },
       });
@@ -32,7 +33,6 @@ export default function FailPage() {
           from: 'certification',
           certificationSource,
           guideId,
-          // certificationId
         },
       });
     } else {