diff --git a/cosec-core/src/main/kotlin/me/ahoo/cosec/context/request/XForwardedRemoteIpResolver.kt b/cosec-core/src/main/kotlin/me/ahoo/cosec/context/request/XForwardedRemoteIpResolver.kt
index 238a74ff..799b012c 100644
--- a/cosec-core/src/main/kotlin/me/ahoo/cosec/context/request/XForwardedRemoteIpResolver.kt
+++ b/cosec-core/src/main/kotlin/me/ahoo/cosec/context/request/XForwardedRemoteIpResolver.kt
@@ -46,7 +46,7 @@ abstract class XForwardedRemoteIpResolver<R>(
 
         val xForwardedValues = xForwardedHeaderValues[0]
             .split(DELIMITER)
-            .dropWhile { it.isBlank() }
+            .filter { it.isNotBlank() }
             .reversed()
         if (xForwardedValues.isEmpty()) {
             return defaultRemoteIpResolver.resolve(request)
diff --git a/cosec-core/src/test/kotlin/me/ahoo/cosec/policy/condition/part/DefaultPartExtractorTest.kt b/cosec-core/src/test/kotlin/me/ahoo/cosec/policy/condition/part/DefaultPartExtractorTest.kt
index a83b6a9b..83ff6ee1 100644
--- a/cosec-core/src/test/kotlin/me/ahoo/cosec/policy/condition/part/DefaultPartExtractorTest.kt
+++ b/cosec-core/src/test/kotlin/me/ahoo/cosec/policy/condition/part/DefaultPartExtractorTest.kt
@@ -104,7 +104,7 @@ class DefaultPartExtractorTest {
             DefaultPartExtractor(SecurityContextParts.PRINCIPAL_ATTRIBUTES_PREFIX + "key").extract(mockk(), context),
             equalTo("value")
         )
-                assertThat(
+        assertThat(
             DefaultPartExtractor(SecurityContextParts.PRINCIPAL_ATTRIBUTES_PREFIX + "not_exist").extract(mockk(), context),
             equalTo("")
         )
diff --git a/cosec-webflux/src/main/kotlin/me/ahoo/cosec/webflux/ReactiveRequestParser.kt b/cosec-webflux/src/main/kotlin/me/ahoo/cosec/webflux/ReactiveRequestParser.kt
index b5bb7da9..ba75659e 100644
--- a/cosec-webflux/src/main/kotlin/me/ahoo/cosec/webflux/ReactiveRequestParser.kt
+++ b/cosec-webflux/src/main/kotlin/me/ahoo/cosec/webflux/ReactiveRequestParser.kt
@@ -20,7 +20,7 @@ import org.springframework.http.HttpHeaders
 import org.springframework.web.server.ServerWebExchange
 
 class ReactiveRequestParser(
-    private val remoteIPResolver: RemoteIpResolver<ServerWebExchange>
+    private val remoteIpResolver: RemoteIpResolver<ServerWebExchange>
 ) :
     RequestParser<ServerWebExchange> {
     override fun parse(request: ServerWebExchange): Request {
@@ -28,7 +28,7 @@ class ReactiveRequestParser(
             delegate = request,
             path = request.request.path.value(),
             method = request.request.methodValue,
-            remoteIp = remoteIPResolver.resolve(request),
+            remoteIp = remoteIpResolver.resolve(request),
             origin = request.request.headers.origin.orEmpty(),
             referer = request.request.headers.getFirst(HttpHeaders.REFERER).orEmpty()
         )
diff --git a/gradle.properties b/gradle.properties
index 8711f611..52896b1e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@
 # limitations under the License.
 #
 group=me.ahoo.cosec
-version=1.8.5
+version=1.8.6
 description=RBAC-based And Policy-based Multi-Tenant Reactive Security Framework
 website=https://github.com/Ahoo-Wang/CoSec
 issues=https://github.com/Ahoo-Wang/CoSec/issues