diff --git a/src/budget/_category.py b/src/budget/_category.py
index 51ebaba..8084dc8 100644
--- a/src/budget/_category.py
+++ b/src/budget/_category.py
@@ -1,4 +1,5 @@
 from PyQt6.QtWidgets import *
+import json
 
 def initCategorytTab(self):
     # 创建连接信息控件
@@ -32,12 +33,18 @@ def onCategoryAddClicked(self):
 
         label1 = QLabel("Category Name:")
         line1 = QLineEdit()
-        label2 = QLabel("Category Type")
+        label2 = QLabel("Category Type:")
         line2 =QComboBox()
+        label3 = QLabel("Description:")
+        line3 = QLineEdit()
         line2.addItem("Income")
         line2.addItem("Expense")
+
         button1 = QPushButton("Confirm")
         button2 = QPushButton("Abort")
+        buttonLayout = QHBoxLayout()
+        buttonLayout.addWidget(button1)
+        buttonLayout.addWidget(button2)
 
         button1.clicked.connect(addDialog.accept)
         button2.clicked.connect(addDialog.reject)
@@ -45,14 +52,33 @@ def onCategoryAddClicked(self):
         layout = QFormLayout()
         layout.addRow(label1,line1)
         layout.addRow(label2,line2)
-        layout.addRow(button1,button2)
+        layout.addRow(label3,line3)
+        layout.addRow(buttonLayout)
 
         addDialog.setLayout(layout)
 
         # 显示添加数据对话框
         if addDialog.exec() == QDialog.DialogCode.Accepted:
             try:
-                print("success")
+                # 获取输入数据
+                name = line1.text()
+                type = line2.currentText()
+                if (name == ''):
+                    raise Exception('Category name cannot be empty')
+                if(type == "Income"):
+                    type = True
+                else:
+                    type = False
+
+                description = line3.text()
+
+                # JSONB插入数据
+                data = {"name": line1.text(), "income_type": type, "description": description}
+                data = json.dumps(data)
+                print("insert data:",data)
+                self.cur.execute("INSERT INTO category (meta) VALUES (%s)", (data,))
+                self.conn.commit()
+
             except Exception as e:
                 # 处理插入数据错误
                 print(e)