diff --git a/BaiHu/Util/WriteYinCangWenZi.py b/BaiHu/Util/WriteYinCangWenZi.py
new file mode 100644
index 00000000..b9e71d29
--- /dev/null
+++ b/BaiHu/Util/WriteYinCangWenZi.py
@@ -0,0 +1,85 @@
+from PIL import Image
+
+
+def makeImageEven(image):
+    """
+    将图像像素值变为偶数值（最低有效位为0）
+    """
+    # 获取图像所有像素值的列表：[(r,g,b,t),(r,g,b,t)...]
+    pixels = list(image.getdata())
+    # 将所有像素值变为偶数（通过移位）
+    evenPixels = [(r >> 1 << 1, g >> 1 << 1, b >> 1 << 1, t >> 1 << 1) for [r, g, b, t] in pixels]
+    # 创建一个与原图像大小相同的副本
+    evenImage = Image.new(image.mode, image.size)
+    # 将偶数像素值放入副本中
+    evenImage.putdata(evenPixels)
+    return evenImage
+
+
+def constLenBin(int):
+    """
+    返回固定长度的二进制字符串，替代内置函数bin()
+    """
+    # 使用二进制表示整数，不足8位在左侧补0
+    binary = "0" * (8 - (len(bin(int)) - 2)) + bin(int).replace('0b', '')
+    return binary
+
+
+def encodeDataInImage(image, data):
+    """
+    将字符串编码到图片中
+    """
+    # 获取最低有效位为0的图片副本
+    evenImage = makeImageEven(image)
+    # 将需要隐藏的字符串转换成二进制字符串
+    binary = ''.join(map(constLenBin, bytearray(data, 'utf-8')))
+    if len(binary) > len(image.getdata()) * 4:
+        # 若无法编码全部数据，抛出异常
+        raise Exception("Error: Can't encode more than" + len(evenImage.getdata()) * 4 + " bits in this image. ")
+    # 将二进制信息编码进像素值中
+    encodedPixels = [(r + int(binary[index * 4 + 0]), g + int(binary[index * 4 + 1]), b + int(binary[index * 4 + 2]),
+                      t + int(binary[index * 4 + 3])) if index * 4 < len(binary) else (r, g, b, t) for
+                     index, (r, g, b, t) in enumerate(list(evenImage.getdata()))]
+    # 创建新图片以存放编码后的像素
+    encodedImage = Image.new(evenImage.mode, evenImage.size)
+    # 添加编码后的数据
+    encodedImage.putdata(encodedPixels)
+    return encodedImage
+
+
+def binaryToString(binary):
+    """
+    从二进制字符串转为 UTF-8 字符串
+    """
+    index = 0
+    string = []
+    rec = lambda x, i: x[2:8] + (rec(x[8:], i - 1) if i > 1 else '') if x else ''
+    fun = lambda x, i: x[i + 1:8] + rec(x[8:], i - 1)
+    while index + 1 < len(binary):
+        chartype = binary[index:].index('0')  # 存放字符所占字节数，一个字节的字符会存为0
+        length = chartype * 8 if chartype else 8
+        string.append(chr(int(fun(binary[index:index + length], chartype), 2)))
+        index += length
+    return ''.join(string)
+
+
+def decodeImage(image):
+    """
+    解码隐藏数据
+    """
+    pixels = list(image.getdata())  # 获取像素列表
+    # 提取图片中所有最低有效位中的数据
+    binary = ''.join([str(int(r >> 1 << 1 != r)) + str(int(g >> 1 << 1 != g)) + str(int(b >> 1 << 1 != b)) + str(
+        int(t >> 1 << 1 != t)) for (r, g, b, t) in pixels])
+    # 找到数据截止处的索引
+    locationDoubleNull = binary.find('0000000000000000')
+    endIndex = locationDoubleNull + (
+                8 - (locationDoubleNull % 8)) if locationDoubleNull % 8 != 0 else locationDoubleNull
+    data = binaryToString(binary[0:endIndex])
+    return data
+
+
+# 调用函数对图片进行数据编码并保存
+#encodeDataInImage(Image.open("d:/9.png"), 'https://www.hzkjai.com 吉林绘智科技有限公司').save('d:/9.png')
+# 解码图片中隐藏的数据并打印
+#print(decodeImage(Image.open("d:/9.png")))
diff --git a/BaiHu/Util/__pycache__/WriteYinCangWenZi.cpython-310.pyc b/BaiHu/Util/__pycache__/WriteYinCangWenZi.cpython-310.pyc
new file mode 100644
index 00000000..b9202af9
Binary files /dev/null and b/BaiHu/Util/__pycache__/WriteYinCangWenZi.cpython-310.pyc differ
diff --git a/BaiHu/doTask.py b/BaiHu/doTask.py
index 95f4999f..1fcdf0b5 100644
--- a/BaiHu/doTask.py
+++ b/BaiHu/doTask.py
@@ -9,7 +9,7 @@ from Util.CommonUtil import *
 from Util.OssUtil import uploadOss
 from Util.PngUtil import *
 from PIL import Image, ImageDraw, ImageFont
-
+from Util.WriteYinCangWenZi import *
 
 def WriteWenZi(image_path):
     # 打开图片
@@ -36,6 +36,9 @@ def upload_img_file(file_path, model_id):
     png_file = os.path.basename(file_path)
     # 添加水印信息
     WriteWenZi(file_path)
+    # 添加隐藏信息
+    # 调用函数对图片进行数据编码并保存
+    encodeDataInImage(Image.open(file_path), 'https://www.hzkjai.com 吉林绘智科技有限公司').save(file_path)
     # 清除Exif信息
     clearExif(file_path, file_path)  # 清除Exif信息
     # 上传到OSS