diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7eb75b6..5f536be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.0.6 - 21 Mar 2024
+Bug fix:
+- treaty2: default onResponse to null and mutate when need
+
 # 1.0.6 - 21 Mar 2024
 Change:
 - treaty2: use null as default error value instead of undefined
diff --git a/package.json b/package.json
index 76e9759..da3ee22 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@elysiajs/eden",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "Fully type-safe Elysia client",
   "author": {
     "name": "saltyAom",
diff --git a/src/treaty2/index.ts b/src/treaty2/index.ts
index 247042c..b6e055d 100644
--- a/src/treaty2/index.ts
+++ b/src/treaty2/index.ts
@@ -296,9 +296,12 @@ const createProxy = (
 
                         for (const value of onResponse)
                             try {
-                                data = await value(response.clone())
+                                const temp = await value(response.clone())
 
-                                if (data !== undefined && data !== null) break
+                                if (data !== undefined && data !== null) {
+                                    data = temp
+                                    break
+                                }
                             } catch (err) {
                                 if (err instanceof EdenFetchError) error = err
                                 else error = new EdenFetchError(422, err)