diff --git a/app/src/main/java/com/duolebo/blyrobot/tools/OcrManager.kt b/app/src/main/java/com/duolebo/blyrobot/tools/OcrManager.kt
index 8ec2a4d89deb0b7375d1e5872aae8e823bcc3fcc..b08a78d96642de7622e6e843dbe698992e067ca5 100644
--- a/app/src/main/java/com/duolebo/blyrobot/tools/OcrManager.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/tools/OcrManager.kt
@@ -90,6 +90,16 @@ class OcrManager {
                         words = newWords
                     }
 
+                    // 如果是400电话，保留10位
+                    val start = words.indexOf("400")
+                    if (words.length > 10 && start >= 0) {
+                        if (start > 0)
+                            words = words.substring(start)
+                        if (words.length > 10) {
+                            words = words.substring(0, 10)
+                        }
+                    }
+
                 } catch (e : java.lang.Exception) {
                     e.printStackTrace()
                 }