fixed #5136

src/components/avatar/avatar.vue

@@ -1,6 +1,6 @@
 <template>
     <span :class="classes">
-        <img :src="src" v-if="src">
+        <img :src="src" v-if="src" @error="handleError">
         <Icon :type="icon" :custom="customIcon" v-else-if="icon || customIcon"></Icon>
         <span ref="children" :class="[prefixCls + '-string']" :style="childrenStyle" v-else><slot></slot></span>
     </span>
@@ -89,6 +89,9 @@
                         this.scale = 1;
                     }
                 }
+            },
+            handleError (e) {
+                this.$emit('on-error', e);
             }
         },
         mounted () {