diff --git a/src/buffer.c b/src/buffer.c
index 7148be34f6281f54bc3a661c5709e08c07d51f58..f6761ca3ef7de60840ed56fd677b3e5cda1c48a0 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -202,20 +202,32 @@ static int recvraw(p_buffer buf, size_t wanted, luaL_Buffer *b) {
 /*-------------------------------------------------------------------------*\
 * Reads everything until the connection is closed (buffered)
 \*-------------------------------------------------------------------------*/
-static int recvall(p_buffer buf, luaL_Buffer *b) {
+static int recvall(p_buffer buf, luaL_Buffer *b)
+{
     int err = IO_DONE;
     size_t total = 0;
     while (err == IO_DONE) {
-        const char *data; size_t count;
+        const char *data;
+        size_t count;
         err = buffer_get(buf, &data, &count);
+        //没有接收到数据，跳出循环
+        if (count == 0) {
+            if (total > 0 && err == IO_TIMEOUT) {
+                return IO_DONE;
+            }
+            break;
+        }
         total += count;
         luaL_addlstring(b, data, count);
         buffer_skip(buf, count);
     }
     if (err == IO_CLOSED) {
-        if (total > 0) return IO_DONE;
-        else return IO_CLOSED;
-    } else return err;
+        if (total > 0)
+            return IO_DONE;
+        else
+            return IO_CLOSED;
+    } else
+        return err;
 }
 
 /*-------------------------------------------------------------------------*\