diff --git a/packages/uni-mp-vue/dist/vue.runtime.esm.js b/packages/uni-mp-vue/dist/vue.runtime.esm.js
index 2d71eb1c247606df771073180264afb2bb22a107..775ab5728aa5def753d84c0680ad16714a2e335e 100644
--- a/packages/uni-mp-vue/dist/vue.runtime.esm.js
+++ b/packages/uni-mp-vue/dist/vue.runtime.esm.js
@@ -5038,6 +5038,9 @@ function patchStopImmediatePropagation(e, value) {
 }
 
 function stringifyStyle(value) {
+    if (isString(value)) {
+        return value;
+    }
     return stringifyStyle$1(normalizeStyle(value));
 }
 
diff --git a/packages/uni-mp-vue/src/helpers/style.ts b/packages/uni-mp-vue/src/helpers/style.ts
index ec7b0e18e55a816eee98c92dc2aa92fddd195bca..d6134e164430c78695093277549cc6abf53792ce 100644
--- a/packages/uni-mp-vue/src/helpers/style.ts
+++ b/packages/uni-mp-vue/src/helpers/style.ts
@@ -1,4 +1,8 @@
+import { isString } from '@vue/shared'
 import { normalizeStyle, stringifyStyle as stringify } from '@vue/shared'
 export function stringifyStyle(value: unknown) {
+  if (isString(value)) {
+    return value
+  }
   return stringify(normalizeStyle(value))
 }