diff --git a/templates/provider.json b/templates/provider.json
index e34f6d32..6b9ce010 100644
--- a/templates/provider.json
+++ b/templates/provider.json
@@ -100,7 +100,7 @@
     "model": "gpt-4o",
     "prompt-mode": "normal",
     "prompt": {
-        "default": ""
+        "default": "You are a helpful assistant."
     },
     "runner": "local-agent",
     "dify-service-api": {
diff --git a/templates/schema/provider.json b/templates/schema/provider.json
index def2cc12..af36a19b 100644
--- a/templates/schema/provider.json
+++ b/templates/schema/provider.json
@@ -368,7 +368,7 @@
                     "type": "string",
                     "title": "默认情景预设",
                     "description": "设置默认情景预设。值为空字符串时，将不使用情景预设（人格）",
-                    "default": ""
+                    "default": "You are a helpful assistant."
                 }
             },
             "patternProperties": {