diff --git a/src/main/java/com/fanruan/api/cal/FormulaKit.java b/src/main/java/com/fanruan/api/cal/FormulaKit.java
index 93cd52a..503a8ab 100644
--- a/src/main/java/com/fanruan/api/cal/FormulaKit.java
+++ b/src/main/java/com/fanruan/api/cal/FormulaKit.java
@@ -7,6 +7,7 @@ import com.fr.base.ScriptFormula;
 import com.fr.log.FineLoggerFactory;
 import com.fr.script.Calculator;
 import com.fr.stable.FormulaProvider;
+import com.fr.stable.StableUtils;
 import com.fr.stable.StringUtils;
 import com.fr.stable.UtilEvalError;
 import com.fr.stable.script.CalculatorProvider;
@@ -104,4 +105,14 @@ public class FormulaKit {
         }
         return checkFormulaContent(formula.getPureContent());
     }
+
+    /**
+     * 判断一个对象是否可以转化为公式
+     * @param object 要判断的字符串
+     * @return 如果该字符串是以"="开头，说明可以转化成公式，否则不能转化成公式
+     */
+    public static boolean canBeFormula(Object object){
+        return StableUtils.canBeFormula(object);
+    }
+
 }
diff --git a/src/main/java/com/fanruan/api/report/BaseHTMLWriterKit.java b/src/main/java/com/fanruan/api/report/BaseHTMLWriterKit.java
new file mode 100644
index 0000000..fd9a07f
--- /dev/null
+++ b/src/main/java/com/fanruan/api/report/BaseHTMLWriterKit.java
@@ -0,0 +1,21 @@
+package com.fanruan.api.report;
+
+import com.fr.stable.html.Tag;
+import com.fr.stable.web.Repository;
+import com.fr.web.BaseHTMLWriterUtils;
+
+import java.awt.*;
+
+public class BaseHTMLWriterKit {
+
+    /**
+     * 根据原始的图片和指定的尺寸以及报表上下文生成图片的HTML标签，该方法只生成一个简单的img标签
+     * @param image 原始图片
+     * @param dimension 指定尺寸
+     * @param repo 报表上下文
+     * @return img图片标签
+     */
+    public static Tag createImageTag4RepoWithCheckVml(Image image, Dimension dimension, Repository repo){
+        return BaseHTMLWriterUtils.createImageTag4RepoWithCheckVml(image, dimension, repo);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/report/PaintKit.java b/src/main/java/com/fanruan/api/report/PaintKit.java
new file mode 100644
index 0000000..3b1787e
--- /dev/null
+++ b/src/main/java/com/fanruan/api/report/PaintKit.java
@@ -0,0 +1,22 @@
+package com.fanruan.api.report;
+
+import com.fr.base.Style;
+import com.fr.report.cell.cellattr.core.CellUtils;
+
+import java.awt.*;
+
+public class PaintKit {
+
+    /**
+     *  如果value是ImageWithSuffix类的一个实例，则创建一个宽为width，高为height,类型为TYPE_4BYTE_ABGR的image,并将其按照比例和Style绘制。
+     * @param value 传入的需要判断为是否是ImageWithSuffix实例的对象
+     * @param resolution 缩放比例的分母，缩放比例为1/resolution
+     * @param style 绘制image的style
+     * @param width 绘制image的宽
+     * @param height 绘制image的高
+     * @return 返回宽为width，高为height,类型为TYPE_4BYTE_ABGR的image
+     */
+    public static Image value2Image(Object value, int resolution, Style style, int width, int height){
+        return CellUtils.value2Image(value, resolution, style, width, height);
+    }
+}
diff --git a/src/test/java/com/fanruan/api/cal/FormulaKitTest.java b/src/test/java/com/fanruan/api/cal/FormulaKitTest.java
index abed6cb..f2faf24 100644
--- a/src/test/java/com/fanruan/api/cal/FormulaKitTest.java
+++ b/src/test/java/com/fanruan/api/cal/FormulaKitTest.java
@@ -72,4 +72,14 @@ public class FormulaKitTest extends Prepare {
         assertEquals(true, FormulaKit.checkFormulaContent(new Formula("=")));
         assertEquals(false, FormulaKit.checkFormulaContent("="));
     }
+
+    @Test
+    public void canBeFormula() {
+        String s1 = "=1";
+        String s2 = "=a+b+";
+        String s3 = "ppp";
+        Assert.assertTrue(FormulaKit.canBeFormula(s1));
+        Assert.assertTrue(FormulaKit.canBeFormula(s2));
+        Assert.assertFalse(FormulaKit.canBeFormula(s3));
+    }
 }
\ No newline at end of file
diff --git a/src/test/java/com/fanruan/api/util/PaintKitTest.java b/src/test/java/com/fanruan/api/util/PaintKitTest.java
new file mode 100644
index 0000000..33e2c17
--- /dev/null
+++ b/src/test/java/com/fanruan/api/util/PaintKitTest.java
@@ -0,0 +1,21 @@
+package com.fanruan.api.util;
+
+import com.fanruan.api.report.PaintKit;
+import com.fr.base.Style;
+import com.fr.plugin.present.fun.StarPainter;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.awt.*;
+
+public class PaintKitTest {
+
+    @Test
+    public void value2Image() {
+        StarPainter star = new StarPainter(1);
+        Style style = Style.getInstance();
+        Image image = PaintKit.value2Image(star, 1, style, 30, 50);
+        Assert.assertEquals(30, image.getWidth(null));
+        Assert.assertEquals(50, image.getHeight(null));
+    }
+}
\ No newline at end of file