diff --git a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/AccessLogFilter.java b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/AccessLogFilter.java
index ec74ff6d77..3433fb4dc6 100644
--- a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/AccessLogFilter.java
+++ b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/AccessLogFilter.java
@@ -212,7 +212,7 @@ public class AccessLogFilter implements Filter {
             String now = fileNameFormatter.format(new Date());
             String last = fileNameFormatter.format(new Date(file.lastModified()));
             if (!now.equals(last)) {
-                File archive = new File(file.getAbsolutePath() + "." + last);
+                File archive = new File(file.getAbsolutePath() + "." + now);
                 file.renameTo(archive);
             }
         }
diff --git a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/support/RpcUtils.java b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/support/RpcUtils.java
index a1cc84ecb9..816350eaa8 100644
--- a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/support/RpcUtils.java
+++ b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/support/RpcUtils.java
@@ -162,7 +162,7 @@ public class RpcUtils {
             }
             Class<?>[] parameterTypes = new Class<?>[types.length];
             for (int i = 0; i < types.length; i++) {
-                parameterTypes[i] = ReflectUtils.forName(types[0]);
+                parameterTypes[i] = ReflectUtils.forName(types[i]);
             }
             return parameterTypes;
         }