diff --git a/src/utils/request_formdata.js b/src/utils/request_formdata.js
index 92693d0..deee81a 100644
--- a/src/utils/request_formdata.js
+++ b/src/utils/request_formdata.js
@@ -106,7 +106,8 @@ service.interceptors.request.use(
                         systemConfig.requestConfig.encryptRequest &&
                         encryptRequest &&
                         !isFile &&
-                        isProduction
+                        isProduction &&
+                        key !== 'file'
                     ) {
                         formDataObj.append(key, encryptWithSM4(value))
                     } else {