diff --git a/src/test/java/com/fanruan/api/cal/ParameterKitTest.java b/src/test/java/com/fanruan/api/cal/ParameterKitTest.java
index 20bb157..568949f 100644
--- a/src/test/java/com/fanruan/api/cal/ParameterKitTest.java
+++ b/src/test/java/com/fanruan/api/cal/ParameterKitTest.java
@@ -1,6 +1,7 @@
 package com.fanruan.api.cal;
 
 import com.fanruan.api.Prepare;
+import com.fr.base.Parameter;
 import com.fr.script.Calculator;
 import com.fr.stable.ParameterProvider;
 import com.fr.stable.UtilEvalError;
@@ -47,4 +48,17 @@ public class ParameterKitTest extends Prepare {
             calculator.removeNameSpace(ns);
         }
     }
+
+    @Test
+    public void newParameter() {
+        ParameterProvider provider = ParameterKit.newParameter();
+        Assert.assertTrue(provider instanceof Parameter);
+    }
+
+    @Test
+    public void newParameter1() {
+        ParameterProvider provider = ParameterKit.newParameter("p1", "124");
+        Assert.assertEquals("p1", provider.getName());
+        Assert.assertEquals("124", provider.getValue());
+    }
 }
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