diff --git a/README.md b/README.md
index 6b87572f..92b9109b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-![logo](docs/img/logo.png)
+![logo](docs/img/answer-logo-flat.svg)
 
 # Answer - Simple Q&A Community
 
@@ -10,7 +10,7 @@
 This is a minimalist open source Q&A community. Users can post questions and others can answer them.
 ![abstract](docs/img/abstract.png)
 
-## Why?
+## Why Answer?
 - Help companies build knowledge and Q&A communities better and faster.
 
 ## Features
@@ -20,9 +20,9 @@ This is a minimalist open source Q&A community. Users can post questions and oth
 ## Quick start
 ### Running with docker-compose
 ```bash
-mkdir answer && cd answer
-wget https://github.com/segmentfault/answer/releases/latest/download/docker-compose.yaml
-docker-compose up
+$ mkdir answer && cd answer
+$ wget https://github.com/segmentfault/answer/releases/latest/download/docker-compose.yaml
+$ docker-compose up
 ```
 
 For more information you can see [INSTALL.md](./INSTALL.md)
diff --git a/README_CN.md b/README_CN.md
index 33e92730..72a066e4 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -1,4 +1,4 @@
-![logo](docs/img/logo.png)
+![logo](docs/img/answer-logo-flat.svg)
 
 # Answer - 极简问答社区
 
diff --git a/docs/img/abstract.png b/docs/img/abstract.png
index 10c71981..c607e6fa 100644
Binary files a/docs/img/abstract.png and b/docs/img/abstract.png differ
diff --git a/docs/img/answer-logo-flat.svg b/docs/img/answer-logo-flat.svg
new file mode 100644
index 00000000..8423f5cc
--- /dev/null
+++ b/docs/img/answer-logo-flat.svg
@@ -0,0 +1,9 @@
+<svg width="110" height="28" viewBox="0 0 110 28" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M0 6.4C0 4.15979 0 3.03969 0.435974 2.18404C0.819467 1.43139 1.43139 0.819467 2.18404 0.435974C3.03969 0 4.15979 0 6.4 0H21.6C23.8402 0 24.9603 0 25.816 0.435974C26.5686 0.819467 27.1805 1.43139 27.564 2.18404C28 3.03969 28 4.15979 28 6.4V16.0892C28 18.9608 28 20.3967 27.5628 21.6643C27.1761 22.7853 26.5451 23.8063 25.7153 24.6535C24.7771 25.6115 23.4928 26.2536 20.9244 27.5378L20.9243 27.5378L20 28V24H6.4C4.15979 24 3.03969 24 2.18404 23.564C1.43139 23.1805 0.819467 22.5686 0.435974 21.816C0 20.9603 0 19.8402 0 17.6V6.4ZM20 12C20 15.3137 17.3137 18 14 18C10.6954 18 8.0148 15.3285 8.00006 12.0274V12H20Z" fill="#0033FF"/>
+<path d="M35.98 21.5L41.52 7.5H44.4L49.9 21.5H46.46L43.82 14.4C43.7133 14.12 43.6066 13.82 43.5 13.5C43.3933 13.18 43.2866 12.8533 43.18 12.52C43.0733 12.1733 42.9666 11.84 42.86 11.52C42.7666 11.1867 42.6866 10.88 42.62 10.6L43.22 10.58C43.14 10.9133 43.0466 11.24 42.94 11.56C42.8466 11.88 42.7466 12.2 42.64 12.52C42.5466 12.8267 42.44 13.14 42.32 13.46C42.2 13.7667 42.0866 14.0867 41.98 14.42L39.34 21.5H35.98ZM38.62 18.82L39.68 16.26H46.12L47.16 18.82H38.62Z" fill="#212529"/>
+<path d="M51.3067 21.5V10.88H54.3467L54.4467 13.04L53.8067 13.28C53.9534 12.8 54.2134 12.3667 54.5867 11.98C54.9734 11.58 55.4334 11.26 55.9667 11.02C56.5 10.78 57.06 10.66 57.6467 10.66C58.4467 10.66 59.12 10.8267 59.6667 11.16C60.2134 11.48 60.6267 11.9667 60.9067 12.62C61.1867 13.26 61.3267 14.0467 61.3267 14.98V21.5H58.1067V15.24C58.1067 14.8133 58.0467 14.46 57.9267 14.18C57.8067 13.9 57.62 13.6933 57.3667 13.56C57.1267 13.4133 56.8267 13.3467 56.4667 13.36C56.1867 13.36 55.9267 13.4067 55.6867 13.5C55.4467 13.58 55.24 13.7067 55.0667 13.88C54.8934 14.04 54.7534 14.2267 54.6467 14.44C54.5534 14.6533 54.5067 14.8867 54.5067 15.14V21.5H52.9267C52.5534 21.5 52.2334 21.5 51.9667 21.5C51.7 21.5 51.48 21.5 51.3067 21.5Z" fill="#212529"/>
+<path d="M67.582 21.7C66.542 21.7 65.622 21.5333 64.822 21.2C64.0353 20.8667 63.4087 20.42 62.942 19.86L64.882 18.18C65.2953 18.5933 65.762 18.9 66.282 19.1C66.802 19.2867 67.2953 19.38 67.762 19.38C67.9487 19.38 68.1153 19.36 68.262 19.32C68.4087 19.28 68.5287 19.2267 68.622 19.16C68.7287 19.08 68.8087 18.9933 68.862 18.9C68.9153 18.7933 68.942 18.6733 68.942 18.54C68.942 18.2733 68.822 18.0667 68.582 17.92C68.462 17.8533 68.262 17.7733 67.982 17.68C67.702 17.5867 67.342 17.48 66.902 17.36C66.2753 17.2 65.7287 17.0133 65.262 16.8C64.8087 16.5733 64.4353 16.3133 64.142 16.02C63.8753 15.74 63.6687 15.4333 63.522 15.1C63.3753 14.7533 63.302 14.3667 63.302 13.94C63.302 13.4467 63.4153 13 63.642 12.6C63.882 12.2 64.1953 11.8533 64.582 11.56C64.982 11.2667 65.4353 11.0467 65.942 10.9C66.462 10.74 66.9953 10.66 67.542 10.66C68.1287 10.66 68.6887 10.7267 69.222 10.86C69.7553 10.9933 70.2487 11.18 70.702 11.42C71.1687 11.66 71.582 11.9467 71.942 12.28L70.262 14.16C70.022 13.9333 69.7487 13.7333 69.442 13.56C69.1487 13.3733 68.842 13.2267 68.522 13.12C68.202 13.0133 67.9087 12.96 67.642 12.96C67.442 12.96 67.262 12.98 67.102 13.02C66.9553 13.0467 66.8287 13.1 66.722 13.18C66.6153 13.2467 66.5353 13.3333 66.482 13.44C66.4287 13.5333 66.402 13.6467 66.402 13.78C66.402 13.9133 66.4353 14.04 66.502 14.16C66.582 14.28 66.6887 14.38 66.822 14.46C66.9553 14.54 67.1687 14.6333 67.462 14.74C67.7553 14.8333 68.1553 14.9533 68.662 15.1C69.2887 15.2733 69.8287 15.4667 70.282 15.68C70.7353 15.8933 71.0953 16.1467 71.362 16.44C71.5753 16.6667 71.7353 16.9333 71.842 17.24C71.9487 17.5333 72.002 17.8533 72.002 18.2C72.002 18.88 71.8087 19.4867 71.422 20.02C71.0487 20.54 70.5287 20.9533 69.862 21.26C69.1953 21.5533 68.4353 21.7 67.582 21.7Z" fill="#212529"/>
+<path d="M76.2244 21.5L72.7244 10.88H76.1044L78.0644 17.78L77.6444 17.7L79.8444 12.34H81.7244L84.0444 17.72L83.5844 17.76L85.5444 10.88H88.9244L85.3044 21.5H82.9444L80.6444 15.8L80.8844 15.84L78.5844 21.5H76.2244Z" fill="#212529"/>
+<path d="M95.3511 21.7C94.1777 21.7 93.1577 21.4667 92.2911 21C91.4244 20.52 90.7511 19.8733 90.2711 19.06C89.7911 18.2333 89.5511 17.2933 89.5511 16.24C89.5511 15.4267 89.6844 14.68 89.9511 14C90.2177 13.32 90.5911 12.7333 91.0711 12.24C91.5511 11.7333 92.1177 11.3467 92.7711 11.08C93.4377 10.8 94.1644 10.66 94.9511 10.66C95.6977 10.66 96.3777 10.7933 96.9911 11.06C97.6177 11.3267 98.1577 11.7 98.6111 12.18C99.0644 12.66 99.4111 13.2267 99.6511 13.88C99.8911 14.5333 99.9977 15.2467 99.9711 16.02L99.9511 16.88H91.4911L91.0311 15.08H97.3511L97.0111 15.46V15.06C96.9844 14.7267 96.8777 14.4333 96.6911 14.18C96.5177 13.9133 96.2844 13.7067 95.9911 13.56C95.6977 13.4133 95.3644 13.34 94.9911 13.34C94.4711 13.34 94.0244 13.4467 93.6511 13.66C93.2911 13.86 93.0177 14.16 92.8311 14.56C92.6444 14.9467 92.5511 15.4267 92.5511 16C92.5511 16.5867 92.6711 17.1 92.9111 17.54C93.1644 17.9667 93.5244 18.3 93.9911 18.54C94.4711 18.78 95.0377 18.9 95.6911 18.9C96.1444 18.9 96.5444 18.8333 96.8911 18.7C97.2511 18.5667 97.6377 18.34 98.0511 18.02L99.5511 20.14C99.1377 20.5 98.6977 20.7933 98.2311 21.02C97.7644 21.2467 97.2844 21.4133 96.7911 21.52C96.3111 21.64 95.8311 21.7 95.3511 21.7Z" fill="#212529"/>
+<path d="M102.01 21.5V10.88H105.05L105.19 14.34L104.59 13.68C104.75 13.1067 105.01 12.5933 105.37 12.14C105.743 11.6867 106.176 11.3267 106.67 11.06C107.163 10.7933 107.69 10.66 108.25 10.66C108.49 10.66 108.71 10.68 108.91 10.72C109.123 10.76 109.316 10.8067 109.49 10.86L108.61 14.4C108.463 14.3067 108.263 14.2333 108.01 14.18C107.77 14.1133 107.516 14.08 107.25 14.08C106.956 14.08 106.683 14.1333 106.43 14.24C106.176 14.3333 105.963 14.4733 105.79 14.66C105.616 14.8467 105.476 15.0667 105.37 15.32C105.276 15.5733 105.23 15.86 105.23 16.18V21.5H102.01Z" fill="#212529"/>
+</svg>
diff --git a/docs/img/logo.png b/docs/img/logo.png
deleted file mode 100644
index 4a993593..00000000
Binary files a/docs/img/logo.png and /dev/null differ