diff --git a/src/main/java/xyz/wbsite/dl4j/CreateCaptcha.java b/src/main/java/xyz/wbsite/dl4j/CreateCaptcha.java
new file mode 100644
index 0000000..c75eca5
--- /dev/null
+++ b/src/main/java/xyz/wbsite/dl4j/CreateCaptcha.java
@@ -0,0 +1,48 @@
+package xyz.wbsite.dl4j;
+
+import cn.hutool.captcha.CaptchaUtil;
+import cn.hutool.captcha.LineCaptcha;
+import cn.hutool.captcha.generator.AbstractGenerator;
+import cn.hutool.captcha.generator.CodeGenerator;
+import cn.hutool.captcha.generator.RandomGenerator;
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.StrUtil;
+
+import java.io.File;
+
+public class CreateCaptcha {
+
+    public static void main(String[] args) {
+        File data = new File("data");
+
+        for (int i = 0; i < 3; i++) {
+            for (int j = 0; j < 3; j++) {
+                for (int k = 0; k < 3; k++) {
+                    for (int l = 0; l < 3; l++) {
+                        String value = String.valueOf(i) + j + k + l;
+                        File file = FileUtil.file(data, value);
+
+                        for (int m = 0; m < 10; m++) {
+                            File filed = FileUtil.file(file, value + "_" + StrUtil.padPre(String.valueOf(m), 3, '0') + ".png");
+                            LineCaptcha lineCaptcha = CaptchaUtil.createLineCaptcha(160, 40);
+                            lineCaptcha.setGenerator(new CodeGenerator() {
+                                @Override
+                                public String generate() {
+                                    return value;
+                                }
+
+                                @Override
+                                public boolean verify(String s, String s1) {
+                                    return false;
+                                }
+
+                            });
+                            lineCaptcha.createImage(value);
+                            lineCaptcha.write(filed);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/src/main/java/xyz/wbsite/ai/Dl4j_Example.java b/src/main/java/xyz/wbsite/dl4j/Dl4j_Example.java
similarity index 94%
rename from src/main/java/xyz/wbsite/ai/Dl4j_Example.java
rename to src/main/java/xyz/wbsite/dl4j/Dl4j_Example.java
index 6b23a19..32ce8ba 100644
--- a/src/main/java/xyz/wbsite/ai/Dl4j_Example.java
+++ b/src/main/java/xyz/wbsite/dl4j/Dl4j_Example.java
@@ -1,4 +1,4 @@
-package xyz.wbsite.ai;
+package xyz.wbsite.dl4j;
 
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
diff --git a/src/main/java/xyz/wbsite/ai/Dl4j_LeNetMNIST.java b/src/main/java/xyz/wbsite/dl4j/Dl4j_LeNetMNIST.java
similarity index 99%
rename from src/main/java/xyz/wbsite/ai/Dl4j_LeNetMNIST.java
rename to src/main/java/xyz/wbsite/dl4j/Dl4j_LeNetMNIST.java
index 0bc216c..f4c8075 100644
--- a/src/main/java/xyz/wbsite/ai/Dl4j_LeNetMNIST.java
+++ b/src/main/java/xyz/wbsite/dl4j/Dl4j_LeNetMNIST.java
@@ -1,4 +1,4 @@
-package xyz.wbsite.ai;
+package xyz.wbsite.dl4j;
 
 import org.apache.commons.io.FilenameUtils;
 import org.deeplearning4j.datasets.iterator.impl.MnistDataSetIterator;