diff --git a/app/Http/Controllers/ESign/EsignPublicController.php b/app/Http/Controllers/ESign/EsignPublicController.php
index 5274804d..c5f960f3 100644
--- a/app/Http/Controllers/ESign/EsignPublicController.php
+++ b/app/Http/Controllers/ESign/EsignPublicController.php
@@ -64,32 +64,35 @@ public function getContract(string $token): JsonResponse
             return response()->json(['success' => false, 'message' => '계약을 찾을 수 없습니다.'], 404);
         }
 
-        // 계약 상태 체크: 서명 불가한 상태면 에러 반환
-        $statusMessages = [
+        // 서명 가능 여부 판별
+        $isSignable = in_array($contract->status, ['pending', 'partially_signed'])
+            && in_array($signer->status, ['notified', 'viewing', 'authenticated']);
+
+        $statusMessage = null;
+        $unsignableStatuses = [
             'draft' => '아직 발송되지 않은 계약입니다.',
             'cancelled' => '취소된 계약입니다.',
             'rejected' => '거절된 계약입니다.',
-            'completed' => '이미 완료된 계약입니다.',
         ];
-        if (isset($statusMessages[$contract->status])) {
-            return response()->json(['success' => false, 'message' => $statusMessages[$contract->status]], 400);
+        if (isset($unsignableStatuses[$contract->status])) {
+            $statusMessage = $unsignableStatuses[$contract->status];
+        } elseif ($signer->status === 'signed') {
+            $statusMessage = '이미 서명을 완료하였습니다.';
         }
 
-        // 서명자가 이미 서명 완료한 경우
-        if ($signer->status === 'signed') {
-            return response()->json(['success' => false, 'message' => '이미 서명을 완료하였습니다.'], 400);
+        // 서명 가능한 상태에서만 감사 로그 기록
+        if ($isSignable) {
+            EsignAuditLog::create([
+                'tenant_id' => $contract->tenant_id,
+                'contract_id' => $contract->id,
+                'signer_id' => $signer->id,
+                'action' => 'viewed',
+                'ip_address' => request()->ip(),
+                'user_agent' => request()->userAgent(),
+                'created_at' => now(),
+            ]);
         }
 
-        EsignAuditLog::create([
-            'tenant_id' => $contract->tenant_id,
-            'contract_id' => $contract->id,
-            'signer_id' => $signer->id,
-            'action' => 'viewed',
-            'ip_address' => request()->ip(),
-            'user_agent' => request()->userAgent(),
-            'created_at' => now(),
-        ]);
-
         return response()->json([
             'success' => true,
             'data' => [
@@ -101,7 +104,10 @@ public function getContract(string $token): JsonResponse
                     'role' => $signer->role,
                     'status' => $signer->status,
                     'has_stamp' => (bool) $signer->signature_image_path,
+                    'signed_at' => $signer->signed_at,
                 ],
+                'is_signable' => $isSignable,
+                'status_message' => $statusMessage,
             ],
         ]);
     }
diff --git a/resources/views/esign/sign/sign.blade.php b/resources/views/esign/sign/sign.blade.php
index 05b56469..97332bb9 100644
--- a/resources/views/esign/sign/sign.blade.php
+++ b/resources/views/esign/sign/sign.blade.php
@@ -50,6 +50,10 @@
             if (json.success) {
                 setContract(json.data.contract);
                 setSigner(json.data.signer);
+                // 서명 불가 상태면 에러 표시
+                if (!json.data.is_signable && json.data.status_message) {
+                    setError(json.data.status_message);
+                }
             } else {
                 setError(json.message);
             }