diff --git a/src/pages/AgentEditor.tsx b/src/pages/AgentEditor.tsx
index e2e3fb7..80838af 100644
--- a/src/pages/AgentEditor.tsx
+++ b/src/pages/AgentEditor.tsx
@@ -348,8 +348,8 @@ export default function AgentEditor() {
                       ) : (
                         (agentName?.charAt(0) || '?').toUpperCase()
                       )}
-                      <div className="absolute inset-0 bg-black/20 opacity-0 group-hover:opacity-100 flex items-center justify-center transition-opacity">
-                        <span className="text-[10px] text-white font-medium">更换形象</span>
+                      <div className="absolute inset-0 bg-black/50 opacity-0 group-hover:opacity-100 flex items-center justify-center transition-opacity">
+                        <span className="text-[10px] text-white font-medium drop-shadow-md">更换形象</span>
                       </div>
                     </div>
                     <div style={{ minWidth: 0 }}>