diff --git "a/src/Coldairarrow.Api/00Filter/\346\216\245\345\217\243\350\257\267\346\261\202\346\227\245\345\277\227/ApiLogAttribute.cs" "b/src/Coldairarrow.Api/00Filter/\346\216\245\345\217\243\350\257\267\346\261\202\346\227\245\345\277\227/ApiLogAttribute.cs"
index 594dfef4..3cf006a3 100644
--- "a/src/Coldairarrow.Api/00Filter/\346\216\245\345\217\243\350\257\267\346\261\202\346\227\245\345\277\227/ApiLogAttribute.cs"
+++ "b/src/Coldairarrow.Api/00Filter/\346\216\245\345\217\243\350\257\267\346\261\202\346\227\245\345\277\227/ApiLogAttribute.cs"
@@ -35,6 +35,9 @@ public void OnActionExecuted(ActionExecutedContext filterContext)
             _requesTime.TryRemove(HttpContextCore.Current, out _);
 
             var request = filterContext.HttpContext.Request;
+            string contentType = request.ContentType ?? string.Empty;
+            if (!contentType.Contains("json"))
+                return;
             string resContent = string.Empty;
             if (filterContext.Result is ContentResult result)
                 resContent = result.Content;