diff --git a/plugin/lib/quickcomposer/textProcessing.js b/plugin/lib/quickcomposer/textProcessing.js
index dff40d0..03562a0 100644
--- a/plugin/lib/quickcomposer/textProcessing.js
+++ b/plugin/lib/quickcomposer/textProcessing.js
@@ -97,7 +97,7 @@ const textProcessing = {
   },
   // 字符串替换
   replaceString: function (text, oldStr, newStr) {
-    return text.replace(oldStr, newStr);
+    return text.replaceAll(oldStr, newStr);
   },
   // 字符串截取
   substring: function (text, start, end) {
diff --git a/src/components/composer/ui/MultiParamInput.vue b/src/components/composer/ui/MultiParamInput.vue
index 7365391..c625d54 100644
--- a/src/components/composer/ui/MultiParamInput.vue
+++ b/src/components/composer/ui/MultiParamInput.vue
@@ -44,14 +44,14 @@ export default defineComponent({
     handleArgvChange(key, value) {
       // 收集所有参数的当前值
       const args = this.config.reduce((acc, item) => {
-        acc[item.key] = item.key === key ? value : item.value || "";
+        acc[item.key] = item.key === key ? value : item.value ?? "";
         return acc;
       }, {});
 
       // 按照配置顺序拼接参数值
       const argv = this.config
         .map((item) => args[item.key])
-        .filter(Boolean)
+        .filter((val) => val !== undefined && val !== "")
         .join(",");
 
       this.$emit("update:modelValue", argv);