diff --git a/pom.xml b/pom.xml
index b273a54..ac1e49b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>pw.yumc</groupId>
     <artifactId>YumCore</artifactId>
-    <version>1.8.5</version>
+    <version>1.8.6</version>
     <build>
         <finalName>${project.artifactId}</finalName>
         <plugins>
diff --git a/src/main/java/pw/yumc/YumCore/utils/Assert.java b/src/main/java/pw/yumc/YumCore/utils/Assert.java
new file mode 100644
index 0000000..fe0be7c
--- /dev/null
+++ b/src/main/java/pw/yumc/YumCore/utils/Assert.java
@@ -0,0 +1,46 @@
+package pw.yumc.YumCore.utils;
+
+import java.util.Objects;
+import java.util.function.Consumer;
+
+/**
+ * Created with IntelliJ IDEA
+ *
+ * @author 喵♂呜
+ * Created on 2017/9/1 10:49.
+ */
+public class Assert<T> {
+    private T t;
+
+    public static <T> Assert<T> of(T value) {
+        return new Assert<>(value);
+    }
+
+    public static void runIsTrue(Boolean bool, Runnable runnable) {
+        if (bool)
+            runnable.run();
+    }
+
+    public static void runOrElse(Boolean bool, Runnable t, Runnable f) {
+        if (bool)
+            t.run();
+        else
+            f.run();
+    }
+
+    public Assert(T t) {
+        this.t = t;
+    }
+
+    public void runNonNull(Consumer<? super T> consumer) {
+        runIsTrue(Objects.nonNull(t), () -> consumer.accept(t));
+    }
+
+    public void runIsNull(Consumer<? super T> consumer) {
+        runIsTrue(Objects.isNull(t), () -> consumer.accept(t));
+    }
+
+    public void runIsAssignable(Class clazz, Consumer<? super T> consumer) {
+        runIsTrue(clazz.isAssignableFrom(t.getClass()), () -> consumer.accept(t));
+    }
+}
\ No newline at end of file