diff --git a/ylong_http/src/body/chunk.rs b/ylong_http/src/body/chunk.rs
index c71153180eb86a30fb3e73fe25f38ed8e33efd79..8b3ec35b7f04bf8d18cdd84006eafcc90e91b0df 100644
--- a/ylong_http/src/body/chunk.rs
+++ b/ylong_http/src/body/chunk.rs
@@ -100,9 +100,9 @@ enum DataState {
 // Component encoding status
 enum TokenStatus<T, E> {
     // The current component is completely encoded.
-    Complete(T), 
+    Complete(T),
     // The current component is partially encoded.
-    Partial(E),  
+    Partial(E),
 }
 
 type Token<T> = TokenStatus<usize, T>;
diff --git a/ylong_http/src/body/mod.rs b/ylong_http/src/body/mod.rs
index 0bc031b521fb639267c451a039c66b3048ae2052..d3d6ca6eed24c6dbcaec78ca55863a52512a7aa3 100644
--- a/ylong_http/src/body/mod.rs
+++ b/ylong_http/src/body/mod.rs
@@ -382,7 +382,6 @@ pub mod async_impl {
             poll_read(Pin::new(&mut self.as_bytes()), cx, buf)
         }
     }
-
 }
 
 // Type definitions of the origin of the body data.
diff --git a/ylong_http_client/src/util/normalizer.rs b/ylong_http_client/src/util/normalizer.rs
index 7af6f6936dceca5d4039c66b874008aef66735d9..384ccff04ffbd01ca7d4ac44cfb830519cd81089 100644
--- a/ylong_http_client/src/util/normalizer.rs
+++ b/ylong_http_client/src/util/normalizer.rs
@@ -159,13 +159,15 @@ impl<'a> BodyLengthParser<'a> {
                 .and_then(|v| v.to_str().ok())
                 .and_then(|s| s.parse::<usize>().ok());
 
-            return if let Some(len) = content_length_valid {
-                Ok(BodyLength::Length(len))
-            } else {
-                Err(HttpClientError::new_with_message(
+            return match content_length_valid {
+                // If `content-length` is 0, the io stream cannot be read,
+                // otherwise it will get stuck.
+                Some(0) => Ok(BodyLength::Empty),
+                Some(len) => Ok(BodyLength::Length(len)),
+                None => Err(HttpClientError::new_with_message(
                     ErrorKind::Request,
                     "Invalid response content-length",
-                ))
+                )),
             };
         }
 
diff --git a/ylong_http_client/tests/sdv_async_http_on_tcp.rs b/ylong_http_client/tests/sdv_async_http_on_tcp.rs
index 96ba103a5b8cb7999feb53662b65ea364782d8e4..4debf46925aa16c33e3113922d0be4075ee3a446 100644
--- a/ylong_http_client/tests/sdv_async_http_on_tcp.rs
+++ b/ylong_http_client/tests/sdv_async_http_on_tcp.rs
@@ -114,6 +114,23 @@ fn sdv_async_client_send_request() {
             Body: "Hi!",
         },
     );
+
+    // The content-length of `Response` is 0.
+    async_client_test_on_tcp!(
+        HTTP;
+        Request: {
+            Method: "GET",
+            Path: "/data",
+            Header: "Content-Length", "6",
+            Body: "Hello!",
+        },
+        Response: {
+            Status: 200,
+            Version: "HTTP/1.1",
+            Header: "Content-Length", "0",
+            Body: "",
+        },
+    );
 }
 
 /// SDV test cases for `async::Client`.