diff --git a/testable-core/src/main/java/com/alibaba/testable/core/model/MockScope.java b/testable-core/src/main/java/com/alibaba/testable/core/model/MockScope.java
index dad5456..c51b8ec 100644
--- a/testable-core/src/main/java/com/alibaba/testable/core/model/MockScope.java
+++ b/testable-core/src/main/java/com/alibaba/testable/core/model/MockScope.java
@@ -14,7 +14,7 @@ public enum MockScope {
 
     public static MockScope of(String scope) {
         try {
-            return valueOf(scope);
+            return valueOf(scope.toUpperCase());
         } catch (IllegalArgumentException e) {
             return GLOBAL;
         }