diff --git a/src/components/errorDialog/errorDialog.vue b/src/components/errorDialog/errorDialog.vue
new file mode 100644
index 0000000..9181b0d
--- /dev/null
+++ b/src/components/errorDialog/errorDialog.vue
@@ -0,0 +1,47 @@
+<template>
+  <el-dialog
+    title=""
+    :visible="dialogVisible"
+    width="416px"
+    @cancel="handleClose"
+    :closable="false"
+  >
+  <div class="confirm-box">
+    <div class="confirm-title">
+      <span>错误提示</span>
+    </div>
+    <div class="confirm-context"> {{message}}</div>
+  </div>
+  <div  slot="footer" class="dialog-footer">
+    <a-button @click="handleClose" type="primary">Close</a-button>
+  </div>
+  </el-dialog>
+</template>
+<script>
+export default {
+  name: "iErrorMessage",
+  data() {
+    return {
+    };
+  },
+  methods:{
+    handleClose(){
+      this.dialogVisible = false
+    }
+  }
+};
+</script>
+<style lang="scss" scoped>
+.confirm-title{
+  color: #323233;
+  font-weight: 500;
+  font-size: 16px;
+  line-height: 1.4;
+}
+.confirm-context{
+  margin-top: 8px;
+    color: #323233;
+    font-size: 14px;
+    padding-left: 21px;
+}
+</style>
\ No newline at end of file
diff --git a/src/components/errorDialog/index.js b/src/components/errorDialog/index.js
new file mode 100644
index 0000000..3364e53
--- /dev/null
+++ b/src/components/errorDialog/index.js
@@ -0,0 +1,29 @@
+import Vue from 'vue';
+import confirm from './errorDialog.vue';
+const iErrorMessage = Vue.extend(confirm);
+function showErrMsg(err) {
+  let errmsg = err;
+  if (typeof err === 'object') {
+    errmsg = JSON.stringify(err);
+  }
+  if (errmsg.indexOf('User denied message signature') > -1) {
+    errmsg = `User denied message signature`;
+  } else if (errmsg.indexOf('insufficient funds') > -1) {
+    errmsg = 'Insufficient funds';
+  }
+
+  const _confirm = new iErrorMessage({
+    data() {
+      return {
+        message: errmsg,
+        dialogVisible: true,
+      };
+    },
+  });
+  const element = _confirm.$mount().$el;
+  document.body.appendChild(element);
+}
+showErrMsg.install = (Vue) => {
+  Vue.prototype.$showErr = showErrMsg;
+};
+export default showErrMsg;
diff --git a/src/main.js b/src/main.js
index 8ea17f1..bc03638 100644
--- a/src/main.js
+++ b/src/main.js
@@ -7,10 +7,13 @@ import ElementUI from 'element-ui'
 import 'element-ui/lib/theme-chalk/index.css'
 import moment from 'moment'
 import axios from 'axios'
+import iErrorMsg from './components/errorDialog/index.js'
 Vue.prototype.$axios = axios
 
 // import Web3 from 'web3'
 Vue.use(ElementUI)
+// 全局的错误提示, this.$showErr(string|object)
+Vue.use(iErrorMsg)
 
 import {Message} from 'element-ui'
 Vue.prototype.$message = Message