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src/views/IM/search-message/detail.vue

@@ -262,7 +262,7 @@ export default {
 					}
 				}
 				this.$set(element, index, 'sessionFlag');
-				if(element.type == 'CUSTOM') {
+				if(element.type == 'CUSTOM' || element.type == 'PICTURE') {
 					element.content = JSON.parse(element.content);
 				}
 			});