diff --git a/src/layout/RiskFourOne.js b/src/layout/RiskFourOne.js
index ff3a102..9896da1 100644
--- a/src/layout/RiskFourOne.js
+++ b/src/layout/RiskFourOne.js
@@ -9,7 +9,7 @@ import styles from "./riskOne.less";
 import echarts from "echarts";
 import storage from "../utils/storage";
 import { initFilter } from "../utils/common";
-import realGif from "../assets/riskone/backno.jpg";
+import realGif from "../assets/riskone/backno.JPG";
 import red from "../assets/risk/red.png";
 import orange from "../assets/risk/orange.png";
 import yellow from "../assets/risk/yellow.png";
diff --git a/src/layout/RiskFourThree.js b/src/layout/RiskFourThree.js
index cb7e196..6a8ad8a 100644
--- a/src/layout/RiskFourThree.js
+++ b/src/layout/RiskFourThree.js
@@ -9,7 +9,7 @@ import styles from "./riskThree.less";
 import echarts from "echarts";
 import storage from "../utils/storage";
 import { initFilter } from "../utils/common";
-import realGif from "../assets/riskthree/backno.jpg";
+import realGif from "../assets/riskthree/backno.JPG";
 import red from "../assets/risk/red.png";
 import orange from "../assets/risk/orange.png";
 import yellow from "../assets/risk/yellow.png";
diff --git a/src/layout/RiskFourTwo.js b/src/layout/RiskFourTwo.js
index d1f95b5..290b826 100644
--- a/src/layout/RiskFourTwo.js
+++ b/src/layout/RiskFourTwo.js
@@ -3,7 +3,7 @@ import { connect } from "dva";
 import { withRouter } from "dva/router";
 import {  Popover } from "antd";
 import styles from "./riskTwo.less";
-import realGif from "../assets/risktwo/backno.jpg";
+import realGif from "../assets/risktwo/backno.JPG";
 import red from "../assets/risk/red.png";
 import orange from "../assets/risk/orange.png";
 import yellow from "../assets/risk/yellow.png";