diff --git a/src/renderer/src/components/json-viewer/JsonObject.ts b/src/renderer/src/components/json-viewer/JsonObject.ts
index 2b87ca703c8e3b57fd8449006c9ffaa0346838cd..e47060f1a2b4cc8a181b593abd84926789ef0e52 100644
--- a/src/renderer/src/components/json-viewer/JsonObject.ts
+++ b/src/renderer/src/components/json-viewer/JsonObject.ts
@@ -67,7 +67,7 @@ export const JsonObject = defineComponent({
                     'span',
                     {
                       class:
-                        'inline-flex px-2 py-1 min-w-20 max-w-20 truncate rounded-md text-muted-foreground text-xs font-medium leading-6'
+                        'inline-flex px-2 py-1 min-w-20 max-w-full truncate rounded-md text-muted-foreground text-xs font-medium leading-6'
                     },
                     key
                   ),
@@ -77,7 +77,7 @@ export const JsonObject = defineComponent({
                     'div',
                     {
                       class:
-                        'flex-1 py-1 text-xs px-2 bg-background border rounded-md max-h-64 overflow-auto break-words whitespace-pre-wrap'
+                        'flex-1 min-w-0 py-1 text-xs px-2 bg-background border rounded-md max-h-64 overflow-auto break-words whitespace-pre-wrap'
                     },
                     [h(JsonValue, { value })]
                   )
diff --git a/src/renderer/src/components/message/MessageBlockToolCall.vue b/src/renderer/src/components/message/MessageBlockToolCall.vue
index 2f71421ac93300c274e1854f058f4cc4332d7914..689dcf0bd963d78c534a9c7125c029e278f46028 100644
--- a/src/renderer/src/components/message/MessageBlockToolCall.vue
+++ b/src/renderer/src/components/message/MessageBlockToolCall.vue
@@ -88,7 +88,7 @@
               <Icon icon="lucide:arrow-up-from-dot" class="w-4 h-4 text-muted-foreground" />
               {{ t('toolCall.params') }}
             </h5>
-            <div class="text-sm rounded-md p-2">
+            <div class="text-sm rounded-md p-2 overflow-x-auto">
               <JsonObject :data="parseJson(block.tool_call.params)" />
             </div>
           </div>