diff --git a/gpt_be/schemas/recommendation.py b/gpt_be/schemas/recommendation.py
index 20476ea..a411351 100644
--- a/gpt_be/schemas/recommendation.py
+++ b/gpt_be/schemas/recommendation.py
@@ -26,7 +26,6 @@ class GptAssistanceRequest(BaseModel):
     questionId: int
     content: str
     answer: str
-    explanation: str 
     subjectName: str
 
 class GptAssistanceResponse(BaseModel):
diff --git a/gpt_be/utils/perplexity_client.py b/gpt_be/utils/perplexity_client.py
index 66556c6..8927fec 100644
--- a/gpt_be/utils/perplexity_client.py
+++ b/gpt_be/utils/perplexity_client.py
@@ -65,7 +65,8 @@ def generate_explanation(self, question: str, answer: str, subject: str) -> str:
                 ],
                 model="sonar",  # Perplexity API에서 지원하는 모델
                 max_tokens=150,  # 100자 정도면 충분
-                temperature=0.5  # 더 결정적인 응답을 위해 낮춤
+                temperature=0.5,  # 더 결정적인 응답을 위해 낮춤
+                timeout=30  # 30초 타임아웃 설정
             )
             
             # 응답 처리
diff --git a/users-service/src/main/java/com/example/usersservice/controller/UserController.java b/users-service/src/main/java/com/example/usersservice/controller/UserController.java
index 5c6862a..51ddbea 100644
--- a/users-service/src/main/java/com/example/usersservice/controller/UserController.java
+++ b/users-service/src/main/java/com/example/usersservice/controller/UserController.java
@@ -78,6 +78,10 @@ public ResponseEntity<?> logout(@AuthenticationPrincipal UserDetailsImpl user) {
             ));
         }
     }
+    @GetMapping("/token")
+    public ResponseEntity<ResponseStatus> checkToken(@AuthenticationPrincipal UserDetailsImpl userDetails) {
+        return ResponseEntity.ok().build();
+    }
 
     @DeleteMapping("/user")
     public ResponseEntity<?> deleteAccount(@AuthenticationPrincipal UserDetailsImpl user) {
diff --git a/users-service/src/main/java/com/example/usersservice/utils/jwt/JwtUtils.java b/users-service/src/main/java/com/example/usersservice/utils/jwt/JwtUtils.java
index 4b8ec95..0c00a50 100644
--- a/users-service/src/main/java/com/example/usersservice/utils/jwt/JwtUtils.java
+++ b/users-service/src/main/java/com/example/usersservice/utils/jwt/JwtUtils.java
@@ -133,12 +133,12 @@ public boolean isRefreshTokenValid(String username, String token) {
                 log.warn("Refresh token not found in Redis or doesn't match");
                 return false;
             }
-
+            String actualToken = token.startsWith(BEARER_PREFIX) ? token.substring(BEARER_PREFIX.length()) : token;
             // 2. 토큰 자체 검증
             Claims claims = Jwts.parserBuilder()
                     .setSigningKey(secretKey)
                     .build()
-                    .parseClaimsJws(token)
+                    .parseClaimsJws(actualToken)
                     .getBody();
 
             // 3. 토큰 유형 검증