fix

@@ -67,18 +67,14 @@ public class RobotQuestionServiceImpl extends BaseService implements IRobotQuest
             if (StringUtils.isBlank(keyword)) {
                 return new SearchApiResult().setCode(400).setMessage("keyword不能为空！");
             }
-            String minimumShouldMatch = paramMap.get("minimumShouldMatch");
-            if (StringUtils.isBlank(minimumShouldMatch)) {
-                minimumShouldMatch = "30%";
-            } else {
-                boolean result = minimumShouldMatch.matches("[0-9]+");
-                if (result) {
-                    Integer mininum = Integer.valueOf(minimumShouldMatch);
-                    if (mininum > 0 && mininum <= 100) {
-                        minimumShouldMatch = mininum + "%";
+            String minimumShouldMatch = "30%";
+            String minimumShouldMatchNumber = paramMap.get("minimumShouldMatch");
+            if (StringUtils.isNotBlank(minimumShouldMatchNumber)) {
+                if (minimumShouldMatchNumber.matches("[0-9]+")) {
+                    Integer miniNum = Integer.valueOf(minimumShouldMatchNumber);
+                    if (miniNum > 0 && miniNum <= 100) {
+                        minimumShouldMatch = miniNum + "%";
                     }
-                } else {
-                    minimumShouldMatch = "30%";
                 }
             }