修改

src/utils/mixin.js

@@ -275,7 +275,7 @@ export function mergeSpan(params) {
                                     }
                                 }
                                 if (num < 0) {
-                                    prev[ind] = item[param.name]
+                                    prev[ind] = item[param.name].trim();
                                     let spans = [];
                                     for (let i = 0; i <= ind; i++) {
                                         spans.push(params[i].name)