diff --git a/assets/bootstrap_white.less b/assets/bootstrap_white.less
index b6deb24..e123dd1 100644
--- a/assets/bootstrap_white.less
+++ b/assets/bootstrap_white.less
@@ -104,6 +104,7 @@
     margin-top: -@tooltip-arrow-width;
     border-width: @tooltip-arrow-width @tooltip-arrow-width @tooltip-arrow-width 0;
     border-right-color: @tooltip-arrow-color;
+    transform: translateX(calc(-100% + @tooltip-shadow-width));
   }
 
   &-placement-right &-arrow-inner,
@@ -135,6 +136,7 @@
     margin-top: -@tooltip-arrow-width;
     border-width: @tooltip-arrow-width 0 @tooltip-arrow-width @tooltip-arrow-width;
     border-left-color: @tooltip-arrow-color;
+    transform: translateX(calc(100% - @tooltip-shadow-width));
   }
 
   &-placement-left &-arrow-inner,
diff --git a/tsconfig.json b/tsconfig.json
index 9d404f7..33bd1ce 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,10 +8,22 @@
     "skipLibCheck": true,
     "esModuleInterop": true,
     "paths": {
-      "@/*": ["src/*"],
-      "@@/*": [".dumi/tmp/*"],
-      "rc-tooltip": ["src/index.tsx"]
+      "@/*": [
+        "src/*"
+      ],
+      "@@/*": [
+        ".dumi/tmp/*"
+      ],
+      "rc-tooltip": [
+        "src/index.tsx"
+      ]
     }
   },
-  "include": [".dumi/**/*", ".dumirc.ts", "./src/**/*.ts", "./src/**/*.tsx", "./docs/**/*.tsx", "./tests/**/*.tsx"]
-}
+  "include": [
+    ".dumirc.ts",
+    "./src/**/*.ts",
+    "./src/**/*.tsx",
+    "./docs/**/*.tsx",
+    "./tests/**/*.tsx"
+  ]
+}
\ No newline at end of file