diff --git a/src/main/java/org/tikv/common/region/RegionManager.java b/src/main/java/org/tikv/common/region/RegionManager.java
index 8c1624e42e..7f21ca8d20 100644
--- a/src/main/java/org/tikv/common/region/RegionManager.java
+++ b/src/main/java/org/tikv/common/region/RegionManager.java
@@ -138,8 +138,6 @@ public class RegionManager {
         region =
             cache.putRegion(createRegion(regionAndLeader.first, regionAndLeader.second, backOffer));
       }
-    } catch (Exception e) {
-      return null;
     } finally {
       requestTimer.observeDuration();
       slowLogSpan.end();
diff --git a/src/test/java/org/tikv/common/TimeoutTest.java b/src/test/java/org/tikv/common/TimeoutTest.java
index e0f3d01d1c..33642c2ccb 100644
--- a/src/test/java/org/tikv/common/TimeoutTest.java
+++ b/src/test/java/org/tikv/common/TimeoutTest.java
@@ -52,9 +52,12 @@ public class TimeoutTest extends MockThreeStoresTest {
     try (RawKVClient client = createClient()) {
       pdServers.get(0).stop();
       long start = System.currentTimeMillis();
-      client.get(ByteString.copyFromUtf8("key"));
+      try {
+        client.get(ByteString.copyFromUtf8("key"));
+      } catch (Exception ignore) {
+      }
       long end = System.currentTimeMillis();
-      Assert.assertTrue(end - start < session.getConf().getRawKVReadTimeoutInMS() * 2L);
+      Assert.assertTrue(end - start < (session.getConf().getRawKVReadTimeoutInMS() * 1.5));
     }
   }
 }