diff --git a/EIException.java b/EIException.java
new file mode 100644
index 0000000..a816ecd
--- /dev/null
+++ b/EIException.java
@@ -0,0 +1,52 @@
+
+package com.entity;
+
+/**
+ * 自定义异常
+ */
+public class EIException extends RuntimeException {
+	private static final long serialVersionUID = 1L;
+	
+    private String msg;
+    private int code = 500;
+    
+    public EIException(String msg) {
+		super(msg);
+		this.msg = msg;
+	}
+	
+	public EIException(String msg, Throwable e) {
+		super(msg, e);
+		this.msg = msg;
+	}
+	
+	public EIException(String msg, int code) {
+		super(msg);
+		this.msg = msg;
+		this.code = code;
+	}
+	
+	public EIException(String msg, int code, Throwable e) {
+		super(msg, e);
+		this.msg = msg;
+		this.code = code;
+	}
+
+	public String getMsg() {
+		return msg;
+	}
+
+	public void setMsg(String msg) {
+		this.msg = msg;
+	}
+
+	public int getCode() {
+		return code;
+	}
+
+	public void setCode(int code) {
+		this.code = code;
+	}
+	
+	
+}