diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/URL.java b/dubbo-common/src/main/java/org/apache/dubbo/common/URL.java
index 7b92f59ea7c..a2b4762b9ea 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/URL.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/URL.java
@@ -248,7 +248,7 @@ public static URL valueOf(String url) {
         Map<String, String> parameters = null;
         int i = url.indexOf('?'); // separator between body and parameters
         if (i >= 0) {
-            String[] parts = url.substring(i + 1).split("&");
+            String[] parts = url.substring(i + 1).split("[&;]");
             parameters = new HashMap<>();
             for (String part : parts) {
                 part = part.trim();
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/URLStrParser.java b/dubbo-common/src/main/java/org/apache/dubbo/common/URLStrParser.java
index 06db68e7718..1a17d9faa28 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/URLStrParser.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/URLStrParser.java
@@ -224,32 +224,20 @@ private static boolean addParam(String str, boolean isEncoded, int nameStart, in
             valueStart = valueEnd + 1;
         }
 
+        String name;
+        String value;
         if (isEncoded) {
-            String name = decodeComponent(str, nameStart, valueStart - 3, false, tempBuf);
-            String value = decodeComponent(str, valueStart, valueEnd, false, tempBuf);
-            if (valueStart == valueEnd) {
-                value = name;
-            } else {
-                value = decodeComponent(str, valueStart, valueEnd, false, tempBuf);
-            }
-            params.put(name, value);
-            // compatible with lower versions registering "default." keys
-            if (name.startsWith(DEFAULT_KEY_PREFIX)) {
-                params.putIfAbsent(name.substring(DEFAULT_KEY_PREFIX.length()), value);
-            }
+            name = decodeComponent(str, nameStart, valueStart - 3, false, tempBuf);
+            value = valueStart == valueEnd ? name : decodeComponent(str, valueStart, valueEnd, false, tempBuf);
         } else {
-            String name = str.substring(nameStart, valueStart - 1);
-            String value = str.substring(valueStart, valueEnd);
-            if (valueStart == valueEnd) {
-                value = name;
-            } else {
-                value = str.substring(valueStart, valueEnd);
-            }
-            params.put(name, value);
-            // compatible with lower versions registering "default." keys
-            if (name.startsWith(DEFAULT_KEY_PREFIX)) {
-                params.putIfAbsent(name.substring(DEFAULT_KEY_PREFIX.length()), value);
-            }
+            name = str.substring(nameStart, valueStart - 1);
+            value = valueStart == valueEnd ? name : str.substring(valueStart, valueEnd);
+        }
+
+        params.put(name, value);
+        // compatible with lower versions registering "default." keys
+        if (name.startsWith(DEFAULT_KEY_PREFIX)) {
+            params.putIfAbsent(name.substring(DEFAULT_KEY_PREFIX.length()), value);
         }
         return true;
     }