diff --git a/src/main/java/cactusServer/models/Accounts.java b/src/main/java/cactusServer/models/Accounts.java
index 5be7d51..467956d 100644
--- a/src/main/java/cactusServer/models/Accounts.java
+++ b/src/main/java/cactusServer/models/Accounts.java
@@ -26,7 +26,7 @@
 
 	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);
@@ -36,39 +36,49 @@
 		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 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)) {
+		if (idSet.contains(userID)) {
 			Accounts.getInstance().getAccount(userID).setLogin(false);
 			return "success";
-		}else {
+		} else {
 			return "null";
 		}
 	}
-	
+
 	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 901f752..e3b5d2b 100644
--- a/src/main/java/cactusServer/resources/AccountsRest.java
+++ b/src/main/java/cactusServer/resources/AccountsRest.java
@@ -14,7 +14,7 @@
 	public Account loginAccount(@FormParam("userID") String userID, @FormParam("userPass") String userPass) {
 		return Accounts.getInstance().loginAccount(userID, userPass);
 	}
- 
+
 	@POST
 	@Path("/logout")
 	@Produces(MediaType.TEXT_PLAIN)
@@ -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)