diff --git a/src/main/java/com/xydl/cac/entity/Bdz.java b/src/main/java/com/xydl/cac/entity/Bdz.java
index 6e47ce8..bdc8f04 100644
--- a/src/main/java/com/xydl/cac/entity/Bdz.java
+++ b/src/main/java/com/xydl/cac/entity/Bdz.java
@@ -8,7 +8,8 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 import java.math.BigDecimal;
 import java.util.List;
 
@@ -26,7 +27,8 @@ public class Bdz {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @ApiModelProperty("名称")
     @Column(name = "mc")
     private String mc;
diff --git a/src/main/java/com/xydl/cac/entity/Jg.java b/src/main/java/com/xydl/cac/entity/Jg.java
index c50912f..d5c0de2 100644
--- a/src/main/java/com/xydl/cac/entity/Jg.java
+++ b/src/main/java/com/xydl/cac/entity/Jg.java
@@ -8,8 +8,9 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.math.BigDecimal;
 import java.util.List;
 
@@ -27,7 +28,8 @@ public class Jg {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @ApiModelProperty("名称")
     @Column(name = "mc")
     private String mc;
diff --git a/src/main/java/com/xydl/cac/entity/Lx.java b/src/main/java/com/xydl/cac/entity/Lx.java
index 32ab6e4..5edaec0 100644
--- a/src/main/java/com/xydl/cac/entity/Lx.java
+++ b/src/main/java/com/xydl/cac/entity/Lx.java
@@ -8,7 +8,8 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 import java.math.BigDecimal;
 
 @Data
@@ -25,7 +26,8 @@ public class Lx {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @ApiModelProperty("名称")
     @Column(name = "mc")
     private String mc;
diff --git a/src/main/java/com/xydl/cac/entity/Modev.java b/src/main/java/com/xydl/cac/entity/Modev.java
index 07704f3..bbdb522 100644
--- a/src/main/java/com/xydl/cac/entity/Modev.java
+++ b/src/main/java/com/xydl/cac/entity/Modev.java
@@ -8,8 +8,9 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.util.Date;
 
 @Data
@@ -26,7 +27,8 @@ public class Modev {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @Column(name = "name")
     @ApiModelProperty("监测设备名称")
     private String name;
diff --git a/src/main/java/com/xydl/cac/entity/ModevType.java b/src/main/java/com/xydl/cac/entity/ModevType.java
index 874b25b..d555847 100644
--- a/src/main/java/com/xydl/cac/entity/ModevType.java
+++ b/src/main/java/com/xydl/cac/entity/ModevType.java
@@ -7,7 +7,8 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 
 @Data
 @Builder
@@ -23,11 +24,12 @@ public class ModevType {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @Column(name = "mc")
     private String mc;
 
-    @NotEmpty(message = "表名不能为空")
+    @NotBlank(message = "表名不能为空")
     @Column(name = "tablename")
     private String tablename;
 
diff --git a/src/main/java/com/xydl/cac/entity/Zsb.java b/src/main/java/com/xydl/cac/entity/Zsb.java
index c493ccb..e0192c8 100644
--- a/src/main/java/com/xydl/cac/entity/Zsb.java
+++ b/src/main/java/com/xydl/cac/entity/Zsb.java
@@ -8,8 +8,9 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.math.BigDecimal;
 import java.util.List;
 
@@ -27,7 +28,8 @@ public class Zsb {
     @Column(name = "id")
     private Integer id;
 
-    @NotEmpty(message = "名称不能为空")
+    @NotBlank(message = "名称不能为空")
+    @Size(max = 50, message = "名称长度不能超过50个字符")
     @ApiModelProperty("名称")
     @Column(name = "mc")
     private String mc;