diff --git a/dataset/category2labels.json b/dataset/category2labels.json
new file mode 100644
index 0000000..1c882ad
--- /dev/null
+++ b/dataset/category2labels.json
@@ -0,0 +1,73 @@
+{
+	"A": [
+		"主题活动",
+		"党性学习",
+		"十九大",
+		"廉政教育",
+		"政策实践",
+		"相关会议",
+		"重要讲话"
+	],
+	"B": [
+		"听取工作汇报",
+		"换届选举",
+		"提升基层工作",
+		"科普人才队伍建设",
+		"群团工作会议"
+	],
+	"C": [
+		"助推新农村文化建设",
+		"城区精神文明共建",
+		"实践科技与科普服务平台",
+		"少数民族村的保护与发展",
+		"展览献爱心",
+		"文明单位考评",
+		"道德讲堂"
+	],
+	"D":[
+		"优秀人才评选",
+		"先进示范",
+		"双亮双比活动",
+		"授予荣誉称号",
+		"自制教具评选",
+		"表彰",
+		"评审"
+		],
+	"E":[
+		"三长制",
+		"创业青年座谈会",
+		"征求意见和建议",
+		"最美科技工作者",
+		"科技服务",
+		"科技者活动日",
+		"竞赛"
+		],
+	"F":[
+		"创新",
+		"助农",
+		"发展战略",
+		"对接发展",
+		"科技服务平台",
+		"科技节",
+		"经济发展新模式"
+		],
+	"G":[
+		"三下乡",
+		"科学素质小组会议",
+		"科技培训",
+		"科普服务",
+		"科普活动",
+		"科学普及"
+		],
+	"H":[
+		"座谈会",
+		"服务农业",
+		"服务群众",
+		"社区共建",
+		"走访调研调查",
+		"百汇联百村"
+		],
+	"I":[
+		"学会活动"
+		]
+}
diff --git a/dataset/l2i_i2l.json b/dataset/l2i_i2l.json
new file mode 100644
index 0000000..ca556a2
--- /dev/null
+++ b/dataset/l2i_i2l.json
@@ -0,0 +1,108 @@
+{
+  "i2l": {
+    "0": "服务农业",
+    "1": "群团工作会议",
+    "2": "最美科技工作者",
+    "3": "文明单位考评",
+    "4": "社区共建",
+    "5": "十九大",
+    "6": "城区精神文明共建",
+    "7": "重要讲话",
+    "8": "创新",
+    "9": "创业青年座谈会",
+    "10": "展览献爱心",
+    "11": "科学素质小组会议",
+    "12": "对接发展",
+    "13": "党性学习",
+    "14": "三下乡",
+    "15": "提升基层工作",
+    "16": "科普活动",
+    "17": "发展战略",
+    "18": "听取工作汇报",
+    "19": "换届选举",
+    "20": "助推新农村文化建设",
+    "21": "征求意见和建议",
+    "22": "科技培训",
+    "23": "经济发展新模式",
+    "24": "自制教具评选",
+    "25": "优秀人才评选",
+    "26": "少数民族村的保护与发展",
+    "27": "科技服务平台",
+    "28": "授予荣誉称号",
+    "29": "竞赛",
+    "30": "科技服务",
+    "31": "座谈会",
+    "32": "科学普及",
+    "33": "双亮双比活动",
+    "34": "主题活动",
+    "35": "实践科技与科普服务平台",
+    "36": "政策实践",
+    "37": "科技者活动日",
+    "38": "科技节",
+    "39": "科普人才队伍建设",
+    "40": "道德讲堂",
+    "41": "科普服务",
+    "42": "廉政教育",
+    "43": "三长制",
+    "44": "助农",
+    "45": "服务群众",
+    "46": "评审",
+    "47": "先进示范",
+    "48": "相关会议",
+    "49": "走访调研调查",
+    "50": "表彰"
+  },
+  "l2i": {
+    "三下乡": 14,
+    "三长制": 43,
+    "主题活动": 34,
+    "优秀人才评选": 25,
+    "先进示范": 47,
+    "党性学习": 13,
+    "创业青年座谈会": 9,
+    "创新": 8,
+    "助农": 44,
+    "助推新农村文化建设": 20,
+    "十九大": 5,
+    "双亮双比活动": 33,
+    "发展战略": 17,
+    "听取工作汇报": 18,
+    "城区精神文明共建": 6,
+    "实践科技与科普服务平台": 35,
+    "对接发展": 12,
+    "少数民族村的保护与发展": 26,
+    "展览献爱心": 10,
+    "座谈会": 31,
+    "廉政教育": 42,
+    "征求意见和建议": 21,
+    "换届选举": 19,
+    "授予荣誉称号": 28,
+    "提升基层工作": 15,
+    "政策实践": 36,
+    "文明单位考评": 3,
+    "最美科技工作者": 2,
+    "服务农业": 0,
+    "服务群众": 45,
+    "相关会议": 48,
+    "社区共建": 4,
+    "科学普及": 32,
+    "科学素质小组会议": 11,
+    "科技培训": 22,
+    "科技服务": 30,
+    "科技服务平台": 27,
+    "科技者活动日": 37,
+    "科技节": 38,
+    "科普人才队伍建设": 39,
+    "科普服务": 41,
+    "科普活动": 16,
+    "竞赛": 29,
+    "经济发展新模式": 23,
+    "群团工作会议": 1,
+    "自制教具评选": 24,
+    "表彰": 50,
+    "评审": 46,
+    "走访调研调查": 49,
+    "道德讲堂": 40,
+    "重要讲话": 7
+  }
+}
\ No newline at end of file
diff --git a/dataset/sample.xlsx b/dataset/sample.xlsx
new file mode 100644
index 0000000..4d33f8f
Binary files /dev/null and b/dataset/sample.xlsx differ