diff --git a/src/test/java/com/fanruan/api/report/UnitKitTest.java b/src/test/java/com/fanruan/api/report/UnitKitTest.java
new file mode 100644
index 0000000..f4eb166
--- /dev/null
+++ b/src/test/java/com/fanruan/api/report/UnitKitTest.java
@@ -0,0 +1,20 @@
+package com.fanruan.api.report;
+
+import com.fr.stable.unit.FU;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class UnitKitTest {
+
+    @Test
+    public void unit4CompatibleInchDV() {
+        String str1 = "100";
+        Assert.assertEquals(UnitKit.unit4CompatibleInchDV(str1), FU.getInstance(365760000));
+    }
+
+    @Test
+    public void unit4CompatibleMMDV() {
+        String str1 = "100";
+        Assert.assertEquals(UnitKit.unit4CompatibleMMDV(str1), FU.getInstance(14400000));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/com/fanruan/api/util/CodeKitTest.java b/src/test/java/com/fanruan/api/util/CodeKitTest.java
index 400a2b2..4977edc 100644
--- a/src/test/java/com/fanruan/api/util/CodeKitTest.java
+++ b/src/test/java/com/fanruan/api/util/CodeKitTest.java
@@ -1,7 +1,6 @@
 package com.fanruan.api.util;
 
 import com.fr.stable.CodeUtils;
-import com.fr.stable.CommonCodeUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -36,4 +35,10 @@ public class CodeKitTest {
 
         }
     }
+
+    @Test
+    public void jsonEncode() {
+        String s = "aaa";
+        Assert.assertEquals(CodeKit.jsonEncode(s),"\"aaa\"");
+    }
 }
diff --git a/src/test/java/com/fanruan/api/util/GeneralKitTest.java b/src/test/java/com/fanruan/api/util/GeneralKitTest.java
index 12882ee..5481651 100644
--- a/src/test/java/com/fanruan/api/util/GeneralKitTest.java
+++ b/src/test/java/com/fanruan/api/util/GeneralKitTest.java
@@ -2,8 +2,6 @@ package com.fanruan.api.util;
 
 import com.fanruan.api.Prepare;
 import com.fr.general.GeneralUtils;
-import com.fr.stable.AssistUtils;
-import com.fr.stable.xml.XMLableReader;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -44,6 +42,20 @@ public class GeneralKitTest extends Prepare {
         Assert.assertEquals(GeneralKit.compare(s,s2),1);
     }
 
+    @Test
+    public void equals() {
+        String str1 = "a";
+        String str2 = "a";
+        String str3 = "b";
+        int i1 = 1;
+        int i2 = 1;
+        int i3 = 2;
+        Assert.assertEquals(GeneralKit.equals(str1,str2),true);
+        Assert.assertEquals(GeneralKit.equals(str1,str3),false);
+        Assert.assertEquals(GeneralKit.equals(i1,i2),true);
+        Assert.assertEquals(GeneralKit.equals(i1,i3),false);
+    }
+
     @Test
     public void join() {
         Object obj[] = {1, 2, 3, 4};