diff --git a/AminoLightPy/amino_socket.py b/AminoLightPy/amino_socket.py
index 4ca48c8..dc84302 100644
--- a/AminoLightPy/amino_socket.py
+++ b/AminoLightPy/amino_socket.py
@@ -192,6 +192,25 @@ def end_vc(self, comId: int, chatId: str, joinType: int = 2):
             joinType=joinType
         )
 
+    def start_video_chat(self, comId: str, chatId: str, joinType: int = 1):
+        self.join_voice_chat(
+            comId=comId,
+            chatId=chatId,
+            joinType=joinType
+        )
+
+        data = {
+            "o": {
+                "ndcId": int(comId),
+                "threadId": chatId,
+                "joinRole": joinType,
+                "channelType": 4,
+            },
+            "t": 108
+        }
+        data = dumps(data)
+        self.client.send(data)
+
     def Browsing(self, comId: int, blogId: str = None, blogType: int = 0):
         """
         Send Browsing Action
@@ -284,25 +303,6 @@ def LeaderBoards(self, comId: int,):
         data = dumps(data)
         self.client.send(data)
 
-    def start_video_chat(self, comId: str, chatId: str, joinType: int = 1):
-        self.join_video_chat(
-            comId=comId,
-            chatId=chatId,
-            joinType=joinType
-        )
-
-        data = {
-            "o": {
-                "ndcId": int(comId),
-                "threadId": chatId,
-                "joinRole": joinType,
-                "channelType": 4,
-            },
-            "t": 108
-        }
-        data = dumps(data)
-        self.client.send(data)
-
     def typing_request(self, comId: int, chatId: str, stop: bool):
         data = {
             "o": {
diff --git a/AminoLightPy/lib/util/objects.py b/AminoLightPy/lib/util/objects.py
index 5d030c2..f11c3cc 100644
--- a/AminoLightPy/lib/util/objects.py
+++ b/AminoLightPy/lib/util/objects.py
@@ -344,7 +344,7 @@ def __init__(self, data):
         extensions = data.get("extensions") or {}
         style = extensions.get("style") or {}
         knowledgeBase = extensions.get("knowledgeBase") or {}
-        self.labels = WikiLabelList(extensions.get("props")).WikiLabelList
+        self.labels = WikiLabelList(extensions.get("props", [])).WikiLabelList
 
         self.wikiId = data.get("itemId")
         self.status = data.get("status")
@@ -400,42 +400,40 @@ def __init__(self, data: Dict):
     def WikiList(self):
         return self
 
-
 class WikiLabelList:
     __slots__ = ("json", "title", "content", "type")
-    def __init__(self, data: dict):
-        if not data:
-            for attr in self.__slots__:
-                setattr(self, attr, None)
-
-            return
+    def __init__(self, data):
         self.json = data
-        self.title = data.get("title")
-        self.content = data.get("value")
-        self.type = data.get("type")
+        self.title = []
+        self.content = []
+        self.type = []
 
     @property
     def WikiLabelList(self):
+        for x in self.json:
+            self.title.append(x.get("title"))
+            self.content.append(x.get("value"))
+            self.type.append(x.get("type"))
 
         return self
 
 class RankingTableList:
     __slots__ = ("json", "title", "level", "reputation", "id")
     def __init__(self, data: list[dict]):
-        if not data:
-            for attr in self.__slots__:
-                setattr(self, attr, None)
 
-            return
         self.json = data
-        self.title = tuple(x.get("title") for x in data)
-        self.level = tuple(x.get("level") for x in data)
-        self.reputation = tuple(x.get("reputation") for x in data)
-        self.id = tuple(x.get("id") for x in data)
+        self.title = []
+        self.level = []
+        self.reputation = []
+        self.id = []
 
     @property
     def RankingTableList(self):
-
+        for x in self.json:
+            self.title.append(x.get("title"))
+            self.level.append(x.get("level"))
+            self.reputation.append(x.get("reputation"))
+            self.id.append(x.get("id"))
         return self
 
 class Community:
@@ -890,15 +888,10 @@ class WikiCategoryList:
     )
 
     def __init__(self, data):
-        if not data:
-            for attr in self.__slots__:
-                setattr(self, attr, None)
-            return
+        self.json = data
 
         _author = [x.get("author") for x in data]
 
-        self.json = data
-
         self.author = UserProfileList(_author).UserProfileList
         self.itemsCount = []
         self.parentCategoryId = []
@@ -930,18 +923,17 @@ class WikiCategory:
         "createdTime", "title", "mediaList", "icon", "parentType"
     )
     def __init__(self, data):
+        self.json = data
         if not data:
             for attr in self.__slots__:
                 setattr(self, attr, None)
             return
 
-        self.json = data
-
         itemCategory = data.get("itemCategory") or {}
         childrenWrapper = data.get("childrenWrapper") or {}
 
         self.author = UserProfile(itemCategory.get("author")).UserProfile
-        self.subCategory = WikiCategoryList(childrenWrapper.get("itemCategoryList")).WikiCategoryList
+        self.subCategory = WikiCategoryList(childrenWrapper.get("itemCategoryList", [])).WikiCategoryList
 
         self.itemsCount = itemCategory.get("itemsCount")
         self.parentCategoryId = itemCategory.get("parentCategoryId")