diff --git a/context.go b/context.go
index 1dc730e3..b3b2ad62 100644
--- a/context.go
+++ b/context.go
@@ -647,14 +647,18 @@ func (c *Context) PostFormArray(key string) (values []string) {
 
 func (c *Context) initFormCache() {
 	if c.formCache == nil {
-		c.formCache = make(url.Values)
-		req := c.Request
-		if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil {
-			if !errors.Is(err, http.ErrNotMultipart) {
-				debugPrint("error on parse multipart form array: %v", err)
+		if c.Request != nil {
+			c.formCache = make(url.Values)
+			req := c.Request
+			if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil {
+				if !errors.Is(err, http.ErrNotMultipart) {
+					debugPrint("error on parse multipart form array: %v", err)
+				}
 			}
+			c.formCache = req.PostForm
+		} else {
+			c.formCache = url.Values{}
 		}
-		c.formCache = req.PostForm
 	}
 }
 
diff --git a/context_test.go b/context_test.go
index e8d305e4..cb748f3e 100644
--- a/context_test.go
+++ b/context_test.go
@@ -903,6 +903,33 @@ func TestContextDefaultQueryOnEmptyRequest(t *testing.T) {
 	})
 }
 
+func TestContextPostFormOnEmptyRequest(t *testing.T) {
+	c, _ := CreateTestContext(httptest.NewRecorder()) // here c.Request == nil
+	assert.NotPanics(t, func() {
+		value, ok := c.GetPostForm("key")
+		assert.False(t, ok)
+		assert.Empty(t, value)
+	})
+	assert.NotPanics(t, func() {
+		assert.Empty(t, c.PostForm("key"))
+	})
+	assert.NotPanics(t, func() {
+		assert.Equal(t, "fallback", c.DefaultPostForm("key", "fallback"))
+	})
+	assert.NotPanics(t, func() {
+		values, ok := c.GetPostFormArray("key")
+		assert.False(t, ok)
+		assert.Empty(t, values)
+		assert.Empty(t, c.PostFormArray("key"))
+	})
+	assert.NotPanics(t, func() {
+		dicts, ok := c.GetPostFormMap("key")
+		assert.False(t, ok)
+		assert.Empty(t, dicts)
+		assert.Empty(t, c.PostFormMap("key"))
+	})
+}
+
 func TestContextQueryAndPostForm(t *testing.T) {
 	c, _ := CreateTestContext(httptest.NewRecorder())
 	body := strings.NewReader("foo=bar&page=11&both=&foo=second")