diff --git a/src/Circle/index.tsx b/src/Circle/index.tsx
index cde8157..7a06b32 100644
--- a/src/Circle/index.tsx
+++ b/src/Circle/index.tsx
@@ -187,7 +187,7 @@ const Circle: React.FC<ProgressProps> = (props) => {
           cy={halfSize}
           stroke={railColor}
           strokeLinecap={mergedStrokeLinecap}
-          strokeWidth={railWidth || strokeWidth}
+          strokeWidth={railWidth ?? strokeWidth}
           style={{ ...circleStyle, ...styles.rail }}
         />
       )}
diff --git a/src/Line.tsx b/src/Line.tsx
index cfb8c17..d2b1e46 100644
--- a/src/Line.tsx
+++ b/src/Line.tsx
@@ -63,7 +63,7 @@ const Line: React.FC<ProgressProps> = (props) => {
         d={pathString}
         strokeLinecap={strokeLinecap}
         stroke={railColor}
-        strokeWidth={railWidth || strokeWidth}
+        strokeWidth={railWidth ?? strokeWidth}
         fillOpacity="0"
       />
       {percentList.map((ptg, index) => {
diff --git a/tests/index.spec.js b/tests/index.spec.js
index 294f352..6b9ddc2 100644
--- a/tests/index.spec.js
+++ b/tests/index.spec.js
@@ -39,6 +39,21 @@ describe('Progress', () => {
     });
   });
 
+  it('should support zero rail width', () => {
+    const { container } = render(
+      <div>
+        <Line percent={20} railWidth={0} />
+        <Circle percent={20} railWidth={0} />
+      </div>,
+    );
+
+    expect(container.querySelector('.rc-progress-line-rail')).toHaveAttribute('stroke-width', '0');
+    expect(container.querySelector('.rc-progress-circle-rail')).toHaveAttribute(
+      'stroke-width',
+      '0',
+    );
+  });
+
   describe('Circle', () => {
     it('change with animation', () => {
       function Demo() {