diff --git a/lib/commons-lang3-3.7-javadoc.jar b/lib/commons-lang3-3.7-javadoc.jar
new file mode 100644
index 0000000..f16817a
--- /dev/null
+++ b/lib/commons-lang3-3.7-javadoc.jar
Binary files differ
diff --git a/lib/commons-lang3-3.7-sources.jar b/lib/commons-lang3-3.7-sources.jar
new file mode 100644
index 0000000..a83c661
--- /dev/null
+++ b/lib/commons-lang3-3.7-sources.jar
Binary files differ
diff --git a/lib/commons-lang3-3.7.jar b/lib/commons-lang3-3.7.jar
new file mode 100644
index 0000000..f37ded6
--- /dev/null
+++ b/lib/commons-lang3-3.7.jar
Binary files differ
diff --git a/src/main/java/cactusServer/entities/Account.java b/src/main/java/cactusServer/entities/Account.java
index f27f98c..c16235b 100644
--- a/src/main/java/cactusServer/entities/Account.java
+++ b/src/main/java/cactusServer/entities/Account.java
@@ -1,7 +1,9 @@
 package cactusServer.entities;
 
+import org.apache.commons.lang3.RandomStringUtils;
+
 public class Account {
-	private String name, pass;
+	private String name, pass, token;
 	private boolean login = false;
 
 	public Account(String userName, String userPass) {
@@ -32,4 +34,13 @@
 	public void setLogin(boolean login) {
 		this.login = login;
 	}
+
+	public String getToken() {
+		return token;
+	}
+
+	public String formToken() {
+		token = RandomStringUtils.random(64, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
+		return token;
+	}
 }
diff --git a/src/main/java/cactusServer/models/Accounts.java b/src/main/java/cactusServer/models/Accounts.java
index 5be7d51..d109b7a 100644
--- a/src/main/java/cactusServer/models/Accounts.java
+++ b/src/main/java/cactusServer/models/Accounts.java
@@ -26,49 +26,60 @@
 
 	public Account createAcount(String userID, String userName, String userPass) {
 		System.out.println(userName);
-		if(!idSet.add(userID)) {
+		if (!idSet.add(userID)) {
 			return null;
 		}
 		Account newAccount = new Account(userName, userPass);
 		accounts.put(userID, newAccount);
+		newAccount.formToken();
 		System.out.println(userID);
 
 		return newAccount;
 	}
 
-	public Account getAccount(String userID) {
-		if(idSet.contains(userID)) {
-			Account editAccount = accounts.get(userID);
-			return editAccount;
-		}else {
+	public Account updateAccount(String userID, String userName, String userPass) {
+		if (idSet.contains(userID)) {
+			Accounts.getInstance().getAccount(userID).setName(userName);
+			Accounts.getInstance().getAccount(userID).setPass(userPass);
+			return Accounts.getInstance().getAccount(userID);
+		} else {
 			return null;
 		}
 	}
 
-	public Account loginAccount(String userID,String userPass) {
-		if(idSet.contains(userID) && getAccount(userID).getPass().equals(userPass)) {
-			Accounts.getInstance().getAccount(userID).setLogin(true);
-			return getAccount(userID);
-		}else {
+	public Account getAccount(String userID) {
+		if (idSet.contains(userID)) {
+			Account editAccount = accounts.get(userID);
+			return editAccount;
+		} else {
 			return null;
 		}
 	}
-	
-	public String logoutAccount(String userID) {
-		if(idSet.contains(userID)) {
-			Accounts.getInstance().getAccount(userID).setLogin(false);
-			return "success";
-		}else {
-			return "null";
+
+	public Account loginAccount(String userID, String userPass) {
+		if (idSet.contains(userID) && getAccount(userID).getPass().equals(userPass)) {
+			Accounts.getInstance().getAccount(userID).setLogin(true);
+			return getAccount(userID);
+		} else {
+			return null;
 		}
 	}
-	
+
+	public String logoutAccount(String userID) {
+		if (idSet.contains(userID)) {
+			Accounts.getInstance().getAccount(userID).setLogin(false);
+			return "success";
+		} else {
+			return "failed";
+		}
+	}
+
 	public String deleteAccount(String userID) {
-		if(idSet.contains(userID)) {
+		if (idSet.contains(userID)) {
 			accounts.remove(userID);
 			idSet.remove(userID);
 			return "complated remove account";
-		}else {
+		} else {
 			return "not exist";
 		}
 	}
diff --git a/src/main/java/cactusServer/resources/AccountsRest.java b/src/main/java/cactusServer/resources/AccountsRest.java
index 5f19f5b..e3b5d2b 100644
--- a/src/main/java/cactusServer/resources/AccountsRest.java
+++ b/src/main/java/cactusServer/resources/AccountsRest.java
@@ -14,10 +14,10 @@
 	public Account loginAccount(@FormParam("userID") String userID, @FormParam("userPass") String userPass) {
 		return Accounts.getInstance().loginAccount(userID, userPass);
 	}
- 
+
 	@POST
 	@Path("/logout")
-	@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
 	public String logoutAccount(@FormParam("userID") String userID) {
 		return Accounts.getInstance().logoutAccount(userID);
 	}
@@ -29,12 +29,22 @@
 			@FormParam("userPass") String userPass) {
 		return Accounts.getInstance().createAcount(userID, userName, userPass);
 	}
+
+	@PUT
+	@Path("/updateAccount")
+	@Produces(MediaType.APPLICATION_JSON)
+	public Account updateAccount(@FormParam("userID") String userID, @FormParam("userName") String userName,
+			@FormParam("userPass") String userPass) {
+		return Accounts.getInstance().updateAccount(userID, userName, userPass);
+	}
+
 	@GET
 	@Path("/{userID}")
 	@Produces(MediaType.APPLICATION_JSON)
 	public Account getAccount(@PathParam("userID") String userID) {
 		return Accounts.getInstance().getAccount(userID);
 	}
+
 	@DELETE
 	@Path("/deleteAccount")
 	@Produces(MediaType.TEXT_PLAIN)