diff --git a/main.py b/main.py
index b7e4192..d034e97 100644
--- a/main.py
+++ b/main.py
@@ -76,8 +76,8 @@ class TokenData(BaseModel):
 
 
 class IndexItem(BaseModel):
-    collection: str = Field("default", title="Collection name", description="Collection name")
-    texts: list = Field([], title="Textual content list", description="The stored text content list to be vectorized")
+    collection: str = Field(..., title="Collection name", description="Collection name")
+    texts: list = Field(..., title="Textual content list", description="The stored text content list to be vectorized")
     metadatas: list = Field([], title="Metadata list", description="Metadata list, structured data")
     type: str = Field("text", title="The type of text",
                       description="Text type, text: text,webbase: web page, webpdf: web page pdf")
@@ -91,9 +91,10 @@ class IndexItem(BaseModel):
 
 
 class MindmapItem(BaseModel):
-    title: str = Field(default="Mindmap", title="Mindmap Title as root node", description="Mindmap Title, Root node",
+    title: str = Field(..., title="Mindmap Title as root node,required", description="Mindmap Title, Root node",
                        example="Python 学习")
-    structure: Dict[str, List[str]] = Field(default={}, title="Mindmap Structure data",
+    structure: Dict[str, List[str]] = Field(...,
+                                            title="Mindmap Structure data, required",
                                             description="Mindmap Structure data, "
                                                         "The title value must be included in the structure's keys",
                                             example={
@@ -102,14 +103,16 @@ class MindmapItem(BaseModel):
                                                 "高级主题": ["面向对象", "装饰器", "迭代器"]
                                             })
 
+
 class IndexSearchItem(BaseModel):
-    collection: str = Field("default", title="Collection name",
+    collection: str = Field(..., title="Collection name",
                             description="The name of the knowledge base index store")
-    query: str = Field(title="Query content", description="Query the text content of the knowledge base index store")
+    query: str = Field(..., title="Query content", description="Query the text content of the knowledge base"
+                                                               " index store")
 
 
 class IndexDeleteItem(BaseModel):
-    collection: str = Field("not_exist", title="Collection name",
+    collection: str = Field(..., title="Collection name, required",
                             description="The name of the knowledge base index store")
 
 
@@ -143,7 +146,7 @@ async def root():
     return "ok"
 
 
-@app.get("/assets/{filename}",include_in_schema=False)
+@app.get("/assets/{filename}", include_in_schema=False)
 async def download_file(filename: str):
     if not re.match(r'^[\w,\s-]+\.[A-Za-z]{3}$', filename):
         raise HTTPException(status_code=400, detail="Invalid file name")
diff --git a/tests/test.http b/tests/test.http
index 11a340b..0fb1b18 100644
--- a/tests/test.http
+++ b/tests/test.http
@@ -44,22 +44,29 @@ Content-Type: application/json
 Authorization: Bearer a99e05501a0405531caf783eef419b56a5a32f57b64ae3b89587b3a0d5202ee167d80d727a1b8181
 
 {
-    "title": "Python学习",
+    "title": "对数",
     "structure": {
-        "Python学习": ["基础知识", "高级主题"],
-        "基础知识": ["变量", "数据类型", "控制流"],
-        "高级主题": ["面向对象", "装饰器", "迭代器"],
-        "变量": ["定义", "赋值"],
-        "数据类型": ["整数", "浮点数", "字符串"],
-        "控制流": ["if语句", "for循环", "while循环"],
-        "面向对象": ["类", "继承", "多态"],
-        "装饰器": ["定义", "应用"],
-        "迭代器": ["创建", "使用"]
+        "对数": ["定义", "性质", "类型", "应用"],
+        "定义": ["对数的概念", "对数的表示"],
+        "性质": ["对数定律", "换底公式"],
+        "类型": ["常用对数", "自然对数"],
+        "应用": ["科学计算", "复利计算", "音乐理论", "信息熵"],
+        "对数的概念": ["对数与指数的关系"],
+        "对数的表示": ["底数", "真数"],
+        "对数定律": ["乘法定律", "除法定律", "幂的定律"],
+        "换底公式": ["公式描述"],
+        "常用对数": ["十进制", "应用举例"],
+        "自然对数": ["以e为底", "特性"],
+        "科学计算": ["对数尺", "数据压缩"],
+        "复利计算": ["金融领域应用"],
+        "音乐理论": ["音程与频率"],
+        "信息熵": ["信息论中的应用"]
     }
 }
 
 
 
+
 ###
 
 POST http://127.0.0.1:8700/knowledge/search