diff --git a/packages/biz/.fatherrc.ts b/packages/biz/.fatherrc.ts
index b0341a2..8b80f18 100644
--- a/packages/biz/.fatherrc.ts
+++ b/packages/biz/.fatherrc.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     ignores: ['**/demo/*', 'src/**/demo/*'],
     transformer: 'babel',
   },
+  lessInBabel: {
+    modifyVars: {
+    },
+  },
   plugins: ['father-plugin-less'],
 });
diff --git a/packages/icon/.fatherrc.ts b/packages/icon/.fatherrc.ts
index b0341a2..8b80f18 100644
--- a/packages/icon/.fatherrc.ts
+++ b/packages/icon/.fatherrc.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     ignores: ['**/demo/*', 'src/**/demo/*'],
     transformer: 'babel',
   },
+  lessInBabel: {
+    modifyVars: {
+    },
+  },
   plugins: ['father-plugin-less'],
 });
diff --git a/packages/map/.fatherrc.ts b/packages/map/.fatherrc.ts
index b0341a2..8b80f18 100644
--- a/packages/map/.fatherrc.ts
+++ b/packages/map/.fatherrc.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     ignores: ['**/demo/*', 'src/**/demo/*'],
     transformer: 'babel',
   },
+  lessInBabel: {
+    modifyVars: {
+    },
+  },
   plugins: ['father-plugin-less'],
 });
diff --git a/packages/material/.fatherrc.ts b/packages/material/.fatherrc.ts
index b0341a2..8b80f18 100644
--- a/packages/material/.fatherrc.ts
+++ b/packages/material/.fatherrc.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     ignores: ['**/demo/*', 'src/**/demo/*'],
     transformer: 'babel',
   },
+  lessInBabel: {
+    modifyVars: {
+    },
+  },
   plugins: ['father-plugin-less'],
 });
diff --git a/packages/meta/.fatherrc.ts b/packages/meta/.fatherrc.ts
index b0341a2..8b80f18 100644
--- a/packages/meta/.fatherrc.ts
+++ b/packages/meta/.fatherrc.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     ignores: ['**/demo/*', 'src/**/demo/*'],
     transformer: 'babel',
   },
+  lessInBabel: {
+    modifyVars: {
+    },
+  },
   plugins: ['father-plugin-less'],
 });