diff --git a/packages/uni-uts-v1/src/kotlin.ts b/packages/uni-uts-v1/src/kotlin.ts
index 7c5b0c9e398..3bec2b0441f 100644
--- a/packages/uni-uts-v1/src/kotlin.ts
+++ b/packages/uni-uts-v1/src/kotlin.ts
@@ -26,7 +26,6 @@ import {
   isColorSupported,
   isEnableGenericsParameterDefaults,
   isEnableInlineReified,
-  isEnableNarrowType,
   isEnableUTSNumber,
   moveRootIndexSourceMap,
   normalizeUTSResult,
@@ -639,7 +638,7 @@ export async function compile(
         uniExtApiNamespaces: extApis,
         uniExtApiDefaultParameters: parseExtApiDefaultParameters(),
         enableUtsNumber: isEnableUTSNumber(),
-        enableNarrowType: isEnableNarrowType(),
+        enableNarrowType: false, // 这里的启用是把部分typeof转换成instanceof，这样确实好一点，但会引发一些kotlin之类的警告，暂不开启
         enableGenericsParameterDefaults: isEnableGenericsParameterDefaults(),
         enableInlineReified: isEnableInlineReified(),
         ...transform,
diff --git a/packages/uni-uts-v1/src/tsc/compiler.ts b/packages/uni-uts-v1/src/tsc/compiler.ts
index 108bbff3439..97d5fc24195 100644
--- a/packages/uni-uts-v1/src/tsc/compiler.ts
+++ b/packages/uni-uts-v1/src/tsc/compiler.ts
@@ -85,8 +85,8 @@ export function createUniXCompiler(
     watchFile,
     incremental: mode === 'development',
     transformOptions: {
-      enableUTSNumber: isEnableUTSNumber(),
-      enableNarrowType: isEnableNarrowType(),
+      enableUTSNumber: false,
+      enableNarrowType: true, // 默认开启
       enableGenericsParameterDefaults: isEnableGenericsParameterDefaults(),
     },
     ...options,
diff --git a/packages/uni-uts-v1/src/uvue/index.ts b/packages/uni-uts-v1/src/uvue/index.ts
index 8d293925f9b..f8e0ba38b3b 100644
--- a/packages/uni-uts-v1/src/uvue/index.ts
+++ b/packages/uni-uts-v1/src/uvue/index.ts
@@ -171,8 +171,8 @@ export async function compileApp(entry: string, options: CompileAppOptions) {
         uniCloudObjectInfo: options.uniCloudObjectInfo,
         autoImports,
         uniModulesArtifacts: options.uniModulesArtifacts,
-        enableUtsNumber: isEnableUTSNumber(),
-        enableNarrowType: isEnableNarrowType(),
+        enableUtsNumber: false,
+        enableNarrowType: false, // 这里的启用是把部分typeof转换成instanceof，这样确实好一点，但会引发一些kotlin之类的警告，暂不开启
         enableInlineReified: isEnableInlineReified(),
         ...options.transform,
       },