diff --git a/VoidLink/Database/TemporaryHost.h b/VoidLink/Database/TemporaryHost.h
index 3cf5110c..5ac0b858 100644
--- a/VoidLink/Database/TemporaryHost.h
+++ b/VoidLink/Database/TemporaryHost.h
@@ -31,6 +31,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (atomic, retain) NSString *name;
 @property (atomic, retain) NSString *uuid;
 @property (atomic, retain) NSSet *appList;
+@property (atomic, retain) NSMutableSet * activeAddressPool;
 
 - (id) initFromHost:(Host*)host;
 
diff --git a/VoidLink/Database/TemporaryHost.m b/VoidLink/Database/TemporaryHost.m
index 09fee264..f49501eb 100644
--- a/VoidLink/Database/TemporaryHost.m
+++ b/VoidLink/Database/TemporaryHost.m
@@ -28,6 +28,17 @@
     self = [self init];
     
     self.address = host.address;
+    
+    NSSet *classes = [NSSet setWithObjects: [NSMutableSet class], nil];
+    NSError *error = nil;
+    self.activeAddressPool = [NSKeyedUnarchiver unarchivedObjectOfClasses:classes fromData:host.activeAddressPool error:&error];
+    if(self.activeAddressPool){
+        for(NSString* address in _activeAddressPool){
+            NSLog(@"%@, persisted addr: %@", host.name, address);
+        }
+    }
+    else self.activeAddressPool = [[NSMutableSet alloc] init];
+    
     self.externalAddress = host.externalAddress;
     self.localAddress = host.localAddress;
     self.ipv6Address = host.ipv6Address;
@@ -57,7 +68,7 @@
     return self;
 }
 
-- (void) propagateChangesToParent:(Host*)parentHost {
+- (void) propagateChangesToParent:(Host*)parentHost { // update persisted host data
     // Avoid overwriting existing data with nil if
     // we don't have everything populated in the temporary
     // host.
@@ -73,6 +84,15 @@
     if (self.ipv6Address != nil) {
         parentHost.ipv6Address = self.ipv6Address;
     }
+    
+    if(self.activeAddressPool.count>0){
+        NSError *error;
+        parentHost.activeAddressPool = [NSKeyedArchiver archivedDataWithRootObject:self.activeAddressPool requiringSecureCoding:YES error:&error];
+    }
+    else [self.activeAddressPool addObject:self.activeAddress];
+    
+    // NSLog(@"Persisting activeAddressPool, pool count %lu ... %f, host: %@", (unsigned long)self.activeAddressPool.count, CACurrentMediaTime(), self.name);
+    
     // try to fix invalid mac happens in some cases
     // 添加主机crash问题重点关注
     if (!(self.mac == nil || [self.mac isEqualToString:@"00:00:00:00:00:00"])) parentHost.mac = self.mac;
diff --git a/VoidLink/Limelight.xcdatamodeld/VoidLink v1.0.xcdatamodel/contents b/VoidLink/Limelight.xcdatamodeld/VoidLink v1.0.xcdatamodel/contents
index 74783f19..1fde4181 100644
--- a/VoidLink/Limelight.xcdatamodeld/VoidLink v1.0.xcdatamodel/contents	
+++ b/VoidLink/Limelight.xcdatamodeld/VoidLink v1.0.xcdatamodel/contents	
@@ -8,6 +8,7 @@
         <relationship name="host" maxCount="1" deletionRule="Nullify" destinationEntity="Host" inverseName="appList" inverseEntity="Host" syncable="YES"/>
     </entity>
     <entity name="Host" representedClassName="Host" syncable="YES" codeGenerationType="class">
+        <attribute name="activeAddressPool" optional="YES" attributeType="Binary" syncable="YES"/>
         <attribute name="address" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="externalAddress" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="ipv6Address" optional="YES" attributeType="String" syncable="YES"/>
diff --git a/VoidLink/Network/DiscoveryManager.m b/VoidLink/Network/DiscoveryManager.m
index 4cdabb96..360e758e 100644
--- a/VoidLink/Network/DiscoveryManager.m
+++ b/VoidLink/Network/DiscoveryManager.m
@@ -30,6 +30,7 @@
     NSString* _uniqueId;
     NSData* _cert;
     BOOL shouldDiscover;
+    DataManager* dataMan;
 }
 
 - (id)initWithHosts:(NSArray *)hosts andCallback:(id<DiscoveryCallback>)callback {
@@ -52,6 +53,7 @@
     [CryptoManager generateKeyPairUsingSSL];
     _uniqueId = [IdManager getUniqueId];
     _cert = [CryptoManager readCertFromFile];
+    DataManager* dataMan = [[DataManager alloc] init];
     return self;
 }
 
@@ -139,6 +141,8 @@
     if ([serverInfoResponse isStatusOk]) {
         host = [[TemporaryHost alloc] init];
         host.activeAddress = host.address = hostAddress;
+        if(!host.activeAddressPool) host.activeAddressPool = [[NSMutableSet alloc] init];
+        [host.activeAddressPool addObject:host.activeAddress];
         host.state = StateOnline;
         [serverInfoResponse populateHost:host];
         
@@ -284,8 +288,9 @@
             existingHost.externalAddress = host.externalAddress;
         }
         existingHost.activeAddress = host.activeAddress;
+        [existingHost.activeAddressPool addObject:host.activeAddress];
         existingHost.state = host.state;
-        return NO;
+        return NO; // returning a "NO" here means Updating addresses of existing host
     }
     else {
         @synchronized (_hostQueue) {
diff --git a/VoidLink/Network/DiscoveryWorker.m b/VoidLink/Network/DiscoveryWorker.m
index a3c80aa7..86de7a6d 100644
--- a/VoidLink/Network/DiscoveryWorker.m
+++ b/VoidLink/Network/DiscoveryWorker.m
@@ -41,11 +41,21 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
 }
 
 - (NSArray*) getHostAddressList {
-    NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:3];
+    NSMutableArray *array = [[NSMutableArray alloc] init];
 
     if (_host.localAddress != nil) {
         [array addObject:_host.localAddress];
     }
+    if(_host.activeAddressPool.count>0){
+        for(NSString* address in _host.activeAddressPool){
+            if([address containsString:@":"]) break;
+            [array addObject:address];
+        }
+        for(NSString* address in _host.activeAddressPool){
+            if(![address containsString:@":"]) break;
+            [array addObject:address];
+        }
+    }
     if (_host.address != nil) {
         [array addObject:_host.address];
     }
@@ -61,6 +71,7 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
     // to preserve insertion order of addresses.
     for (int i = 0; i < [array count]; i++) {
         NSString *addr1 = [array objectAtIndex:i];
+        NSLog(@"iterates discovery addrs %@, host: %@", addr1, _host.name);
         
         for (int j = 1; j < [array count]; j++) {
             if (i == j) {
@@ -104,6 +115,8 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
             receivedResponse = [self checkResponse:serverInfoResp];
             if (receivedResponse) {
                 _host.activeAddress = address;
+                if(!_host.activeAddressPool) _host.activeAddressPool = [[NSMutableSet alloc] init];
+                [_host.activeAddressPool addObject:address];
                 [serverInfoResp populateHost:_host];
                 
                 // Update the database using the response
diff --git a/VoidLink/Network/MDNSManager.m b/VoidLink/Network/MDNSManager.m
index c0e0265f..2f0e3def 100644
--- a/VoidLink/Network/MDNSManager.m
+++ b/VoidLink/Network/MDNSManager.m
@@ -228,6 +228,7 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
         Log(LOG_I, @"IPv6 address chosen: %@ -> %@", [service hostName], host.ipv6Address);
         
         host.activeAddress = host.localAddress;
+        // [host.activeAddressPool addObject:host.localAddress];
         host.name = service.hostName;
         [self.callback updateHost:host];
     });
diff --git a/VoidLink/Network/ServerInfoResponse.m b/VoidLink/Network/ServerInfoResponse.m
index 9b794dda..212598a3 100644
--- a/VoidLink/Network/ServerInfoResponse.m
+++ b/VoidLink/Network/ServerInfoResponse.m
@@ -46,6 +46,7 @@
         // If we reached this host through this port, store our port there
         if (host.activeAddress && [lanAddr isEqualToString:[Utils addressPortStringToAddress:host.activeAddress]]) {
             localPort = [Utils addressPortStringToPort:host.activeAddress];
+            [host.activeAddressPool addObject:host.activeAddress];
         }
         else if (host.localAddress) {
             // If there's an existing local address, use the port from that
@@ -57,6 +58,7 @@
         }
         
         host.localAddress = [Utils addressAndPortToAddressPortString:lanAddr port:localPort];
+        [host.activeAddressPool addObject:lanAddr];
     }
     
     // This is a Sunshine extension for WAN port remapping
diff --git a/VoidLink/ViewControllers/MainFrameViewController.m b/VoidLink/ViewControllers/MainFrameViewController.m
index ec78583c..7d1a70e7 100644
--- a/VoidLink/ViewControllers/MainFrameViewController.m
+++ b/VoidLink/ViewControllers/MainFrameViewController.m
@@ -765,6 +765,10 @@ static NSMutableSet* hostList;
                         [hostNotFoundAlert addAction:[UIAlertAction actionWithTitle:[LocalizationHelper localizedStringForKey:@"Ok"] style:UIAlertActionStyleDefault handler:nil]];
                         dispatch_async(dispatch_get_main_queue(), ^{
                             [self hideLoadingFrame:^{
+                                if([error isEqualToString:[LocalizationHelper localizedStringForKey:@"Host information updated"]]){
+                                    DataManager* dataMan = [[DataManager alloc] init];
+                                    [dataMan updateHost:host];
+                                }
                                 [[self activeViewController] presentViewController:hostNotFoundAlert animated:YES completion:nil];
                             }];
                         });