diff --git a/websocietysimulator/tools/cache_interaction_tool.py b/websocietysimulator/tools/cache_interaction_tool.py
index 5ef602b..475aec9 100644
--- a/websocietysimulator/tools/cache_interaction_tool.py
+++ b/websocietysimulator/tools/cache_interaction_tool.py
@@ -23,34 +23,22 @@ def __init__(self, data_dir: str, block_set_dir: Optional[str] = None):
         self.env_dir = os.path.join(data_dir, "lmdb_cache")
         os.makedirs(self.env_dir, exist_ok=True)
 
-        self.user_env = lmdb.open(os.path.join(self.env_dir, "users"), map_size=2 * 1024 * 1024 * 1024)
-        self.item_env = lmdb.open(os.path.join(self.env_dir, "items"), map_size=2 * 1024 * 1024 * 1024)
-        self.review_env = lmdb.open(os.path.join(self.env_dir, "reviews"), map_size=8 * 1024 * 1024 * 1024)
+        self.user_env = lmdb.open(os.path.join(self.env_dir, "users"), map_size=4 * 1024 * 1024 * 1024)
+        self.item_env = lmdb.open(os.path.join(self.env_dir, "items"), map_size=4 * 1024 * 1024 * 1024)
+        self.review_env = lmdb.open(os.path.join(self.env_dir, "reviews"), map_size=32 * 1024 * 1024 * 1024)
 
         # Load block set data if provided
         self.block_set_items = []
-        self.block_set_pairs = set()  # Store (user_id, item_id) pairs
+        self.block_set_pairs = set()
         if self.block_set_dir:
             logger.info(f"Loading block set data from {self.block_set_dir}")
             self.block_set_items = self._load_block_set()
             self.block_set_pairs = {(item['user_id'], item['item_id']) for item in self.block_set_items}
 
-        # Filter reviews based on block set
-        filtered_reviews = []
-        with self.review_env.begin() as txn:
-            cursor = txn.cursor()
-            for key, value in cursor:
-                review = json.loads(value)
-                if (review['user_id'], review['item_id']) not in self.block_set_pairs:
-                    filtered_reviews.append(review)
-        
-        logger.info(f"Filtered out {txn.stat()['entries'] - len(filtered_reviews)} reviews based on block set")
-        self.review_env = filtered_reviews
-
         self._initialize_db()
 
-    def _load_block_set(self) -> List[Dict[str, str]]:
-        """Load block set files and return a list of user-item pairs."""
+    def _load_block_set(self) -> List[dict]:
+        """Load all block set files from the block set directory."""
         block_set_data = []
         task_dir = os.path.join(self.block_set_dir, 'tasks')
         groundtruth_dir = os.path.join(self.block_set_dir, 'groundtruth')
@@ -96,29 +84,30 @@ def _initialize_db(self):
 
         # Initialize reviews and their indices
         with self.review_env.begin(write=True) as txn:
+            filtered_count = 0
             if not txn.stat()['entries']:
                 for review in tqdm(self._iter_file('review.json')):
+                    # 检查是否在block set中
+                    if (review['user_id'], review['item_id']) in self.block_set_pairs:
+                        filtered_count += 1
+                        continue
+                    
                     # Store the review
-                    txn.put(
-                        review['review_id'].encode(),
-                        json.dumps(review).encode()
-                    )
-
-                    # Update item reviews index (store only review_ids)
-                    item_review_ids = json.loads(txn.get(f"item_{review['item_id']}".encode()) or '[]')
-                    item_review_ids.append(review['review_id'])
-                    txn.put(
-                        f"item_{review['item_id']}".encode(),
-                        json.dumps(item_review_ids).encode()
-                    )
-
-                    # Update user reviews index (store only review_ids)
-                    user_review_ids = json.loads(txn.get(f"user_{review['user_id']}".encode()) or '[]')
-                    user_review_ids.append(review['review_id'])
-                    txn.put(
-                        f"user_{review['user_id']}".encode(),
-                        json.dumps(user_review_ids).encode()
-                    )
+                    review_key = review['review_id'].encode()
+                    txn.put(review_key, json.dumps(review).encode())
+
+                    # Update item reviews index
+                    item_key = f"item_{review['item_id']}".encode()
+                    item_reviews = json.loads(txn.get(item_key) or '[]')
+                    item_reviews.append(review['review_id'])
+                    txn.put(item_key, json.dumps(item_reviews).encode())
+
+                    # Update user reviews index
+                    user_key = f"user_{review['user_id']}".encode()
+                    user_reviews = json.loads(txn.get(user_key) or '[]')
+                    user_reviews.append(review['review_id'])
+                    txn.put(user_key, json.dumps(user_reviews).encode())
+        logger.info(f"Filtered out {filtered_count} reviews based on block set")
 
     def _iter_file(self, filename: str) -> Iterator[Dict]:
         """Iterate through file line by line."""
diff --git a/websocietysimulator/tools/interaction_tool.py b/websocietysimulator/tools/interaction_tool.py
index 7d4bb31..922a73a 100644
--- a/websocietysimulator/tools/interaction_tool.py
+++ b/websocietysimulator/tools/interaction_tool.py
@@ -61,7 +61,7 @@ def _load_data(self, filename: str) -> List[Dict]:
         with open(file_path, 'r', encoding='utf-8') as file:
             return [json.loads(line) for line in file]
         
-    def _load_block_set(self) -> List[str]:
+    def _load_block_set(self) -> List[dict]:
         """Load all block set files from the block set directory."""
         block_set_data = []
         task_dir = os.path.join(self.block_set_dir, 'tasks')